https://biblioteca.cun.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=an%3A149921&sort_by=relevance&format=rss 3 0 50 ISBN:9789877192117 https://biblioteca.cun.edu.co/cgi-bin/koha/opac-detail.pl?biblionumber=52058 By Gangui, Alejandro,.
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1 recurso en línea 9789877192117

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]]> https://biblioteca.cun.edu.co/cgi-bin/koha/opac-detail.pl?biblionumber=52058 ISBN:9789502330440 https://biblioteca.cun.edu.co/cgi-bin/koha/opac-detail.pl?biblionumber=99531 By Gangui, Alejandro,.
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1 online resource : 9789502330440

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1 online resource : , Papers presented at the conference El universo de Einstein, held 2005 in Buenos Aires. 9789502332987

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