https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Lang%2C%20Jean-Louis%22&sort_by=title_az&format=rss 2 0 50 ISBN:8432000795 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=30280 ]]> By Lang, Jean-Louis.
Barcelona, Esp. : Planeta, 1976 .
192 p. 8432000795

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=30280 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=30281 By Lang, Jean-Louis.
Barcelona, Esp. : L. Miracle, 1969 .
192 p. , [fotocopia]

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