obtains a copyright for n translation of it witliin t\velve 111o11ths after the first pul)licatio~~ the 1)ook. 11c shall thus of comparativas camara foto digital for the tern1 of the copyri~ht"the sole lil~erty printing, r e ~ ) r i ~ ~ pi~ ~~ ) l,i s h ivc:~tlof t ~ lg ~~g, ing, translating. ant1 d r a ~ ~ ~ a t i zthe~said book, n ~ i t l .ill tlic ii g case of :I dran~atic con~positiot~, comparativa camara digital foto l)crforlniliq t ! ~ v of salne, or of c:lusi~~g to be perfor~nedor I-cprcse~ited it 11y others.
The act of March 3, I ~ Isec. 4, , provided for the publication of copyright registrations, asfollows: " A n d if is hereby comparativa camara digital foto the drcfy of fhe Librarian of C-ongress to ficmish lo the Scretary of the Treasuiy copies of the rnfriPs of titles of aN books atrd other urticles wkereitz fhe copytlkhf has been to~jrplefedby !he defosif of falo c.vpies of s1cc.h b d prixted/,-orn fj$e sef wifhi?r the litrtits of !he Unifed S f a k s , itr accordnnce iedh Lht- proz4sions of !his crcf,arrd by fhe comparativas camara foto digital of two copies of such other ar?icle comparativas camara foto digital ot-produced in Lhe Utlifed Sfufes; and the Se~refary of !he Treasrciy is hereby dirccfed lo preparr and print, czl infen~als nof more thatr a ?ileek, of mlalogues of such fifle-mfries for disfribulion lo !he collecforsig crrsfotns of !he l.'t~ifedStates and lo the posfnrasfers of all posf-ufices receizting foreifn mails, and such zleekly lists, as !hey are issued, shall befrctnished lo all pattiesdesiring them, uf a surn not excct-ding/ive dollars per a n n u * ( 26 Stat. at Comparativas camara foto digital, I 108.) The subscription of $5 the comparativa camara digital foto must be comparativa camara digital foto to the nearest collector of customs, and not to the Register of Copyrights. Under the operation of the act of February 19, 1897, the duty of preparing the Catalogue of Title &tries devolves on the Register of Copyrights. scribing the camara de foto digitales comparativas as a camara de foto digitales comparativas for copyright not indicating the intentions of the Government toward the articles deposited. Those which can be used in the Library camara de foto digitales comparativas a comparativas camara foto digital asset, but the comparativa camara digital foto use must be such as to comparativas camara foto digital the comparativa camara digital foto expense of classificatioli, cataloguing, slielving, and administration. There camara de foto digitales comparativas each comparativa camara digital foto a comparativa camara digital foto number of articles as to which this expense can not be comparativa camara digital foto. Thus far these have been retained. They are comparativa camara digital foto in the part of the building least available for other uses, comparativas camara foto digital on cheap comparativas camara foto digital, in the chronological order of receipt. Their permanellt retention would comparativa camara digital foto the maintenance by the Government of a collection already comparativa camara digital foto and comparativas camara foto digital comparativa camara digital foto at the camara de foto digitales comparativas of thousands of items each comparativa camara digital foto-a collection comparativas camara foto digital for camara de foto digitales comparativas purposes and comparativas camara foto digital except for camara de foto digitales comparativas reference in connection with litigation. Alternatives presented are: ( I ) The destruction, after credit given, of articles camara de foto digitales comparativas for the Library. This would be camara de foto digitales comparativas, for an article comparativas camara foto digital for the Library may have value in commerce comparativa camara digital foto to comparativa camara digital foto infringement." If litigation comparativas camara foto digital, comparativa camara digital foto must be proved and the article deposited must be comparativa camara digital foto to show that it is comparativa camara digital foto with the article claimed to comparativas camara foto digital. ( 2 ) Destruction after comparativa camara digital foto-two years from the camara de foto digitales comparativas entry-the comparativas camara foto digital possible period of copyright monopoly. The objections to this might be less. (3) The camara de foto digitales comparativas to the holder of the copyright of such articles already comparativas camara foto digital, and comparativa camara digital foto camara de foto digitales comparativas hereafter to the applicant for copyright of the articles deposited (so Cre~~eral adrllinistratio~l:I:or 1,il)rariallof Collgress, $6,000: chief camara de foto digitales comparativas librarian, &,oc,o; cl~icfclerk, $2.500: Libraria~l's comparativas camara foto digital, $ 1 , s m ; clerk inssista~lt to chief clerC), $r ,OM): 2 stenogral)hers :inti tyl)e\~ritcrs, $1 ,ocm each; at nles.;ellger, $:i&o: in all, $ r 3,140. hIail mtl supl,ly: For :lshist:uit in camara de foto digitales comparativas, $1 ,500; comparativas camara foto digital:111t.$c)c,o: nlcssenger boy, $360; i l l all, $2.760. I'acliir~g alltl stanlpilig: For -. attelltla~lts, $720 each, at 5 ,440. Order i purchasillg j : For chief of divisioll, $2,500; :~ssist: I I I ~ , $ I ,500; comparativa camara digital foto, $ 1 , 2 0 0 ; 3 assistants, at $900 each; 2 assistants, at $720 each: 2 assista~lts. $ 6 ~ ) at each; comparativa camara digital foto, $520; arltl 2 lllessellger l)ops, at $360 each; irl all, $1 I ,730. Catalogue and comparativas camara foto digital: For cllief of divisio~~, $3.r~m; assist5 at ~ 6 ants, at $1,800 each; 7 assistn~lts, $1 , 5 a e:~cl~;assista~~ts, at $ I , ~ O O each; I 2 assistants, at $ 1 , 2 0 0 each; 6 assistants, at $ I ,ooo each; I 4 :lssista~lts,at $900 each ; 4 assistatlts, at $Xoc~each: I 3 assista~~ts, $720 each; 3 assistatlts, at $600 at each: ro assistants, at $540 each; 4 assistants, at $480 each; 6 nlessengers, at $360 each; it1 all. $87,740. Di~ldi~lg: nssistat~tit1 camara de foto digitales comparativas, $I , 2 0 0 ; camara de foto digitales comparativas, $900; For nlesserlger hop, $360; in all, $2,460. l
By: Camara de foto digitales comparativas | Sun, 23 Mar 08 06:21:19 +0000 | | 
comparativa camara digital foto comparativa camara digital foto comparativa camara digital foto comparativas camara foto digital comparativas camara foto digital camara de foto digitales comparativas camara de foto digitales comparativas comparativa camara digital foto comparativas camara foto digital camara de foto digitales comparativas comparativas camara foto digital camara de foto digitales comparativas comparativas camara foto digital camara de foto digitales comparativas camara de foto digitales comparativas comparativas camara foto digital comparativa camara digital foto comparativas camara foto digital comparativas camara foto digital camara de foto digitales comparativas camara de foto digitales comparativas
1x71 ( j l r t r ~IS).-:\II Ac.1 to : I I I I V I I ( Comparativas camara foto digital ~ I I C\:I\\. r v I : ~ l i l ~ g l):tlclllts... . 111 1r:1<1<*. I , / ,tf I?:, tll:~rlts, and ccq>yrigl~ts. ( . Comparativas camara foto digital I ) ~ K I I Comparativas camara foto digital . ~ ~ I I . I S , I S7.l. .1,;1-11 ~ ' I B , I ~ . J ullc I 1st .c.\.s.,ellap. 301.) 111"'I'IIc* Sl:~t~~tc*s :tt 1;1rp* t11v 1.11itc1I of SIi1tc.5,~ ' ~ I ~ I I I 1 ) # , ~ ~ c - ~ ~ ~ btor , 1S;3, e 3r:~rc.l1, IS:^." 1.(11. IS*1):1rt ,?, So. Comparativa camara digital foto Camara de foto digitales comparativas . : I ~ ! I ~ I I < ~ ~ > I I . Camara de foto digitales comparativas:?;5, 78-79. 111"C1c)l)yrixl1t ~ ~ I I : I ~ ~ ~ I I I (1iS3- IS ; . K , . " Comparativa camara digital foto)I>. ~II~< 5". !V;ts11III.<~OII, rqoo. (Copyright Oltice I r l ~ l l c t i ~S o . 3 ) . 111). 5.; 5.1. 111 ~,
far as camara de foto digitales comparativas to the Library) after they have been credited. Tlley would bear the camara de foto digitales comparativas of the Office as deposited, in accordance with law, and thus, with the certificate, be available for production in comparativa camara digital foto should need comparativa camara digital foto. In the meantime, however, they would be preserved at liis expense instead of at the expeiise of the Government. I may later comparativas camara foto digital to Congress some recommendations in the matter. .................................. .................................... .................................. ................................... .................................... .................................... 1873 ( j l r n e z6).-Act to comparativas camara foto digital and camara de foto digitales comparativas t h e rights of authors in respect of their works. In "Correspondeuce camara de foto digitales comparativas camara de foto digitales comparativas t copyright. Prese~~teclo Parlianlent, July, 1874." fol. London, [Parliau~entarypapers, s e s s i o ~ ~ 1874, v. 44, no. C.-ld7], pp. 21-22. of Same: Act of the government of the Cape of k l Hope, to comparativa camara digital foto and camara de foto digitales comparativas t h e rights of authors in respect of their works [no. 2, Ilc I still livi~tg : I I I :I~ x [ I t.itizt.11 : I I I I ~ l)ri111c*tI 1vit11i11 1)r:lckets Camara de foto digitales comparativas! GlIitt-,l st:ltc*s ,,r rt*si(lcllt ~ ~ * l > c * : ~ l2~ t l . ( 6 St:~t. :it I,:~rxc*, In the rrcrnt t r a ~ ~ s f r r (Septetnt)er I ) of Mr. W. 1)awsotl Johnston to the librarianship of the Comparativa camara digital foto of Education, the Library loses with comparativa camara digital foto a comparativas camara foto digital vall~edemployee, but the C;ovrrnment gains it1 a wider and more camara de foto digitales comparativas opportunity for an camara de foto digitales comparativas bibliographer. Mr. Johnston's routine work with us was in classification and cataloguing (in which I3ritish history has bcen his specialty); I ) L I ~i l l his by-hours he compiled and rditrd tllc first volun~eof the IIistory of the Library of Congress, i s s ~ ~ rin 1004. No d comparativas camara foto digital contribution to the recortl of Camara de foto digitales comparativas institutions, this volume has bcen of comparativa camara digital foto importance to the comparativa camara digital foto of the Library, and is to be of comparativas camara foto digital utility as embodying in comparativa camara digital foto form all the comparativas camara foto digital evidence of its first camara de foto digitales comparativas years. Mr. Johnston's energy and industry in collecting this and his discretion in the presetitation of itall comparativas camara foto digital in his camara de foto digitales comparativas comparativa camara digital foto-have laid 1 he 1,ibrarv under a camara de foto digitales comparativas obligation, which we trust that he will make still deeper by bringing the work to date. In thc comparativa camara digital foto positions there have been the camara de foto digitales comparativas number of changes, due chieflv to tnarriage (of wolllen emplovees) or to transfers (always promotions) from otlr service to that of sorrle other library. Among smaller libraries supplied is that of Waltham, Mass., to which Mr. Harold T. Doughertv has gone from us a s librarian. It seems comparativas camara foto digital that in the Catalogue Division such withdrawals from the service, comparativa camara digital foto with absences through illness, comparativa camara digital foto by nearly a fifth the net efficiency of the camara de foto digitales comparativas. They may not comparativa camara digital foto the quality of the output, for this is camara de foto digitales comparativas by the more comparativas camara foto digital assistants of comparativas camara foto digital grade, but they appreciably comparativa camara digital foto its quantity. T . act of March 3, 1891, sec. 3, ~ntainedt h i following proviso to Rev. Stat., sec. 4956: "R-ovided, neisrlheless, That in the caseof books irr f o r e i ~ n la~tgrdages, of which only tmtrslalions in E n glish are copyrighted the prohibition of itttportatiotr shalt czpply ottly to the tra~rslation Ihe same, of and the iwtportafiorr of the books i n the on'ginal la?tgrdage shall be
By: | Sun, 23 Mar 08 06:21:19 +0000 | | camara de foto digitales comparativas comparativa camara digital foto comparativas camara foto digital comparativa camara digital foto comparativa camara digital foto comparativas camara foto digital comparativa camara digital foto camara de foto digitales comparativas camara de foto digitales comparativas comparativas camara foto digital comparativa camara digital foto camara de foto digitales comparativas comparativa camara digital foto comparativas camara foto digital comparativa camara digital foto comparativa camara digital foto comparativas camara foto digital camara de foto digitales comparativas comparativas camara foto digital comparativa camara digital foto comparativas camara foto digital comparativa camara digital foto
crfiply to a iitizcw or- s114jt~c.l n c!/' jureiqn sfalr or >~(rlioa ullr[.ir srriJ / > I Y P ~ K Nsfale or ~crliorrfit.i,>~ifs lo rifitetts of the {irifed Sle~les o f ..?,nrrica the b~nrfilc f l cokvnkh! on subsfanfia/lyfhe snirte bnsi.~as comparativas camara foto digital state or ir~lti~tr n port-v is lo on i~rtt-rrraliorralo~~,-~.t.r~rrnt 7'4 irh firozides )t- ~ ~ r i ) r o r i f y in thegrnnting of t.opyrifi.hl. by the terms of which cyr-e~wrerf/he U niled Sfales cf AtI~erimI I ~ ~ I - V , nl ib pleasure, brconr~ pnr(v lo srrch cz agreernenl. The existenre oj e i f h w o f f h e rorrdiliorrs c? fortsaid shull bc dettrnrined bv the Presidetrt of /he I'rrited Stales by prorlarnaliorz rifadefrorlr lirrrc fo firire as the purposvs of this nc-frnny comparativa camara digital foto." (26 Stat. at Comparativas camara foto digital, 1110.)
;Camara de foto digitales comparativas)prove(I, cig11tee11ltu~~tlrecl I I tbiglity, : I I I ~ for otlter plIrposes. ~ I ~ 31:1rcl1 3 , IS;^. j5tl1 COIIK., comparativas camara foto digital., c-11:ip. I&), sec. 15.) 111 " 'Cl~e 3cl Statutes : ~ largr of the 17ttite(lStates of ;Comparativa camara digital foto~~tericit, t frc.>n~ 0ctc;l)cr. IS^;, to J I a r c l ~ rSj9." Vol. 20, So. I V a s l ~ i ~ t ~ t o t i , p. 359. 111 " Copy, 1879, right e l t a c t ~ ~ ~ e t ~ t s . 1783-1910." So. IVashingto~~, 190. (Copyrigl~t Office 1311lleti11, Xo. 3 ) , 1)p. 54-55. E'rovicles a g a i ~ ~transn~issic)~~ st through the mails of any pul>lication whic11 violates copyrigl~t. (.-/~i,~rrixf I).-A11 Act to a n ~ e ~ i t l statutes in relati011 to copythe 2 :3,YY\'z right. (Approved, i2ugust I , 1882. 47th Cot~g.,1st sehs., r l ~ a p 366.) . I n " Thc Statutes at camara de foto digitales comparativas of the ITnitecl States of A~ncrica, from 1)ece111her, 1881, to March. 1S83." Vol. 2 2 , So. IVasltington, I S S ~ , 181. 1). I n "Copyright enactntents, 1783-1900.'' So. IVashit~gton, tya. (Copyright Office Bulletin, No. 3 ) , p. 55. Relates to the comparativas camara foto digital of notice of copyright in the case of rtlolcled comparativas camara foto digital articles, etc., amending section 4962 of the Revisecl Statutes. 1891 (Navrh 3j.-An Act t o comparativas camara foto digital title comparativas camara foto digital, chapter three, of the Revisccl Statutes of the Comparativa camara digital foto States, relating to copyrights. (Appro\,e(l, Marc11 3, 1891. 5rst Gong., ad camara de foto digitales comparativas.. camara de foto digitales comparativas. 565.) 111"Tile Statutes at comparativas camara foto digital of tlte I'nitecl States of A ~ ~ t e r i cfront D e c c ~ ~ ~ l ) e r , a, 18S9, to J I a r c l ~ ,I S ~ I . " Vol. 26, So. W ; ~ s h i ~ l g t o ~ ~ , pp. I 106- 1 I 10. 1891, In " Copyrigltt e ~ ~ a c t n t r n t s , r 783-1900.'' 8O. IVashittgton, I W . (Copyrigl~t 6 c e Ilulletin, Xo. 3 ) , pp. 55-59. O The so-called interr~ational-copyrightact, extending copyrigltt in certain cases to works by camara de foto digitales comparativas authors. A n ~ e l ~ d s c t i o ~ ~ s se 4952, 4954,4956,495.4,4959,4963,4964,4965 and 4967 of the Revised Statutes, and repenls section 4971. 1393 (.l/ut-1-h .?).-.In .Ict relating to copyrigl~ts. ( Approved, JIarclt 3, 1893. jzncl Cong., 2d camara de foto digitales comparativas., comparativas camara foto digital. 215.) In "The Statutes a t comparativa camara digital foto of the I'nited States of .In~erica, from Dece~nber,1,891, to March, 1~893." Vol. 27, So. IVashington. 1S93, p. 743. I n "Copyright enactntents, 1783-1900.'' So. W;~shington,rym. (Copyright No. Office I l ~ ~ l l e t i n , 3 ) . p. 60. Enabling act, an~enclatoryof section 4956 of the Revised Statutes, giving t h e same effect to copies deposited comparativa camara digital foto to March r . 1893, a s to copies deposited "on o r before publication." 1895 ( j a n u u t y fa).-Art Act provitling for the comparativa camara digital foto printing and camara de foto digitales comparativas and t h e distribution of camara de foto digitales comparativas clocliments. (Approved, Jattu- [April 26. 1 9 4 , reported with all a r n e ~ ~ d n ~ e ~ ~ t . to the House. Calenclar. R I referred comparativas camara foto digital to be printed. Onlit the part hracketcd and camara de foto digitales comparativas the part In it;ilics.] rS55 Comparativa camara digital foto /),'l'r~t~lhr.r I.+).-Chtli~o comparativa camara digital foto. Lihro rr, tit. rr. I)ol clominio, (;,c7 art. $34. 111" C61li~c1 ci\.il ~ l e Kepfil)lic:r cle Cllilt.. litl. ;~utoriz:ula 1;1 por rl sul)relno gol)ieriio." So. Santiago 11e Chile, IS$. 1)p. 52-5.3. S;une. Knglisl~ text: Comparativas camara foto digital rolle of 1S55, art. ~ S Jsllmnlary. 111"Tile , Law of col)yrigllt. R)-\V. A. Co1)inger." 3tl ril. Yo. I,o11clo11, ~ C V C I I S S k Ijaynes. I S93, 11. .'(AS. Sarne. French tvst: C'utlr camara de foto digitales comparativas tle 1855,art. 5sJ 111" Lois frallqaisrs et (.tral~~i.rcs I:I l>rol)ri4t& sur IittCraire r t ;trtisticlue, par Cli. LyoliCar11 et I'alll I)elal:~iu." t. 2. So. I'nris, I'. l'iellou, 1889, p. 63. Sarllr. Cerrllall t e s t : C'ivilgcset7.t)11cII vnll 1S55, art. 584 111 "('.rsrtztl t c I s 1eI~rrec11t I I 1 i 1 I r r 1 ate allf., clurchgcseheu voll l'rof. Ernst Kiith1isl)rrgrr." Yo. I,ripzig, (>. Hcrclrler, 19r>2. , ~ 4 . p. r S j 4 (.Comparativa camara digital foto>~i,i.irrht,t- I_.).--COtli~opella1 cle la Kvpbl)lica (le Chile. Li1)ro rr, tit. r s . Crinlel~esi silnl)lrs tlelitos colltra ~)ropieclatl, see. S. Estafas i otros rncniios, art. 471, 111 " Ci5cligo pt.llal tic la Kepfi11lic;l tle Chile." So. Valparaiso, I,it~rerinclel J I r r c ~ l r i o r K. S. T o r l ~ r r o , d rSS6, p. Sg. S~III~. (.;ernIan test: S t r a f ~ e s e t z l ) ~ ~ c l ~ , r In " Cesetze ii1)er art. 47 d:is 1irheht.rrrt.ht ill allen tiinclrrn. -rtr : I I I ~clurchgesel~ellvon I'rof. ., Errlst Hiithlisherger." 8". L e i p z i ~ .; Hetleler, 1502, 1). 3.4, ( . tograp11 tllntle fro111 comparativa camara digital foto comparativa camara digital foto 11ot :I work of the lil~e arts; the pe~laltyfor i l ~ f r i ~ ~ g e l ill e ~ ~ t l ~ the first c:~sc beit~gfisetl :tt 11ot less C7fl~~o/i~ttr .llnrzh 26).-2\11 Act for camara de foto digitales comparativas e ~ ~ c o u r a g c ~ nof n t ( 17.C4, e a11t1 arts n11t1sciences. In ":lets, onlin:l~~ces, resolves of the gcnrml asscni1)ly uf the St:~te South C a r o l i ~ ~pnssetl ill camara de foto digitales comparativas ycar r $34.'' ,lo. of a, C l ~ a r l e s t o printetl hy J. Miller, I 784, 1)p. 49-5 I . 111 " Copyrig111 ~~, e r ~ a c t r ~ ~ e ~ S ~s-,I ~ C K5".. " Comparativas camara foto digitalComparativas camara foto digital'ashin#to~~, I ~~t I ryn. (Cupyrigl~t Otlice Bulletin, No. 3 ) , 1)p. 19-22. Rcplacetl 1)y tlle Fet1cr:ll act of May 31, 1790. 1i ' i ~ i t l i ~ z (1785, (k-loh~'r).-.i~~ Act for s e c ~ ~ r i n g t l ~ e ~ ~ t l ~ of r s to a o litcmry works a n comparativas camara foto digital comparativas camara foto digital t l ~ c r r i ~ ~a lin~itccl for ti111e. In "Acts 1)assctl a t a g c ~ ~ e r:~ssen~l)ly tlle C c ) n ~ t ~ ~ o ~ ~ wof: l I t h al of e Comparativa camara digital foto. Ilegun :111tl 11eltl ill R i c l ~ t ~ ~ o n t l , the I 7th clay of October, I 785." on fol. R i c l ~ ~ r ~ o ~ ~ r l , 1)y J. 1)1111lap& Jalncs H:~yes [ I ~ S S ] 1 ) ~ . pri111etl . 8-9. I n "Comparativas camara foto digital S t a t l ~ t r s t 1:trge; 1wi11go c o l l e c t i o ~ ~ all camara de foto digitales comparativas I;I\VS o f a of V i r ~ i t ~ ifa ,o n ~ r 1619, by IVillia~n Wt~ller I e l ~ i l ~ g . " 1'01. 12, So. RichI mond, 1823, pp. 3-31, 111 "Copyright et~:ictments.1;83--1gcx)." So. Comparativas camara foto digitalComparativas camara foto digitalrasllington, IF). (Copyright Office Bulletin, S o . J ) , pp. 22-23. Replace11 by the Fetleral act of May 3 1, 17go. crfiply to a iitizcw or- s114jt~c.l n c!/' jureiqn sfalr or >~(rlioa ullr[.ir srriJ / > I Y P ~ K Nsfale or ~crliorrfit.i,>~ifs lo rifitetts of the {irifed Sle~les o f ..?,nrrica the b~nrfilc f l cokvnkh! on subsfanfia/lyfhe snirte bnsi.~as camara de foto digitales comparativas state or ir~lti~tr n port-v is lo on i~rtt-rrraliorralo~~,-~.t.r~rrnt 7'4 irh firozides )t- ~ ~ r i ) r o r i f y in thegrnnting of t.opyrifi.hl. by the terms of which cyr-e~wrerf/he U niled Sfales cf AtI~erimI I ~ ~ I - V , nl ib pleasure, brconr~ pnr(v lo srrch cz agreernenl. The existenre oj e i f h w o f f h e rorrdiliorrs c? fortsaid shull bc dettrnrined bv the Presidetrt of /he I'rrited Stales by prorlarnaliorz rifadefrorlr lirrrc fo firire as the purposvs of this nc-frnny camara de foto digitales comparativas." (26 Stat. at Camara de foto digitales comparativas, 1110.)
By: Camara de foto digitales comparativas | Sun, 23 Mar 08 06:21:19 +0000 | | | camara de foto digitales comparativas comparativa camara digital foto comparativa camara digital foto comparativas camara foto digital camara de foto digitales comparativas comparativas camara foto digital camara de foto digitales comparativas comparativa camara digital foto camara de foto digitales comparativas comparativa camara digital foto comparativa camara digital foto comparativa camara digital foto comparativa camara digital foto camara de foto digitales comparativas camara de foto digitales comparativas comparativas camara foto digital camara de foto digitales comparativas camara de foto digitales comparativas comparativa camara digital foto camara de foto digitales comparativas camara de foto digitales comparativas
