https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Nixon%2C%20Richard%20M.%2C%22&sort_by=title_az&format=rss 2 0 50 ISBN:8432043028 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=118135 ]]> By Nixon, Richard M.,.
Barcelona, Esp. : Planeta, 1983 .
348 p. : 8432043028

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=118135 ISBN:8432035556 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=111955 ]]> By Nixon, Richard M.,.
Barcelona, Esp. : Planeta, 1980 .
350 p. 8432035556

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