https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Hoffman%2C%20Laurence%20D.%2C%22&sort_by=title_az&format=rss 2 0 50 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=6205 By Hoffman, Laurence D..
México : McGraw-Hill, 1976 .
394 p.

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Santafe de Bogota. : McGraw-Hill, 2000 .
x1v, 798 p. : 9586007073

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