https://unillanos.metacatalogo.org/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3ACEMEX%2C&sort_by=relevance&format=rss 2 0 50 ISBN:9686397604 https://unillanos.metacatalogo.org/cgi-bin/koha/opac-detail.pl?biblionumber=24027 By Lawrence, James.
México : CEMEX, 2000 .
297 páginas : 9686397604

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]]> https://unillanos.metacatalogo.org/cgi-bin/koha/opac-detail.pl?biblionumber=24027 ISBN:9686397299 https://unillanos.metacatalogo.org/cgi-bin/koha/opac-detail.pl?biblionumber=26806 By Robles Gil, Patricio.
México : CEMEX, 1996 .
280 páginas : 9686397299

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