https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Calzada%2C%20Gorka%2C%22&sort_by=title_az&format=rss 4 0 50 ISBN:9788496751279 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=149259 ]]> By Calzada, Gorka.
Madrid : El Rompecabezas, 2007 .
123 p. : 9788496751279

]]> Place hold on Copérnico y el centro del universo /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=149259 ISBN:8493507849 (10 dígitos) | 97893507848 (13 dígitos) https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=99916 By Calzada, Gorka.
España : El Rompecabezas, 2006 .
137 p. : 8493507849 (10 dígitos) | 97893507848 (13 dígitos)

]]> Place hold on Edison :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=99916 ISBN:9788415016212 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=158546 ]]> By Vargas, Gustavo.
Madrid : El Rompecabezas, 2011 .
126 p. : 9788415016212

]]> Place hold on Euler :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=158546 ISBN:9788496751507 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=158568 ]]> By Calzada, Gorka.
Madrid : El Rompecabezas, 2008 .
123 p. : 9788496751507

]]> Place hold on Luis Buñuel :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=158568