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<![CDATA[ Search for 'an:20944']]> /cgi-bin/koha/opac-search.pl?q=ccl=an%3A20944&format=rss2 2 0 50 Concreto ligero : ISBN /cgi-bin/koha/opac-detail.pl?biblionumber=7424 By Short, Andrew. Mexico, D. F : Limusa-wiley, 1967 . 669 páginas ; , Titulo original: lightweight concrete. 23 cm..

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]]> /cgi-bin/koha/opac-detail.pl?biblionumber=7424 Citogenetica / ISBN /cgi-bin/koha/opac-detail.pl?biblionumber=16769 By Swanson, Carl P.. México ; Hispano Americana, 1968 . 321 paginas ; , Titulo original : Cytogenetics 18 cm..

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