https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=copydate%3A%221975%20%281998%20impr.%29.%22&sort_by=title_az&format=rss 2 0 50 ISBN:8420622990 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=80223 ]]> By Aronson, Elliot,.
Madrid : Alianza, 1975 .
452 p. , En la cubierta: "Nueva edición corregida y ampliada" 8420622990

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=80223 ISBN:9505180535 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=46719 ]]> By Habermas, Jürgen,.
Buenos Aires : Amorrortu, 1975 .
172 p. 9505180535

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