https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Weiler%2C%20Hans%20N.%2C%22&sort_by=title_az&format=rss 2 0 50 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=103085 By WEILER, Hans N..
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