https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Heuck%2C%20Sigrid%22&sort_by=title_az&format=rss 4 0 50 ISBN:9681645685 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=6111 ]]> By Heuck, Sigrid.
México : FCE, 1994 .
23 p. : 9681645685

]]> Place hold on El búho fantasma y los ratones /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=6111 ISBN:8426117384 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=140487 ]]> By Heuck, Sigrid,.
Barcelona, Esp. : Juvetud, 2003 .
[26] p. : 8426117384

]]> Place hold on El poni, el oso y el manzano /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=140487 ISBN:8426122701 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=127875 ]]> By Heuck, Sigrid.
Barcelona, Esp. : Juventud, 2003 .
25 p. : 8426122701

]]> Place hold on El poni, el oso y la estrella /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=127875 ISBN:8426126405 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=127862 ]]> By Heuck, Sigrid.
Barcelona, Esp. : Juventud, 1992 .
25 p. : 8426126405

]]> Place hold on El poni, el oso y la tormenta de nieve /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=127862