https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Westfall%2C%20Richard%20S.%22&sort_by=title_az&format=rss 2 0 50 ISBN:8483231735 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=124532 ]]> By Westfall, Richard S..
Madrid : Cambridge University, 2000 .
314 p. : 8483231735

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=124532 ISBN:0521555892 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=125217 ]]> By Westfall, Richard S..
Gran Bretaña : Cambridge University, 1996 .
421 p. 0521555892

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