https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Rossner%2C%20Richard%2C%22&sort_by=title_az&format=rss 3 0 50 ISBN:0333223071 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=53533 ]]> México : Porrúa, 1977 .
175 p. : 0333223071

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=53533 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=54180 By Davies, Paul.
México : Publicaciones Cultural, 1975 .
138 p.

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=54180 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=55610 By Rossner, Richard.
London : MacMillan, 1974 .
48 p. :

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