@book{ Solr-134, title = {Matematika 4 / Testua: Elisabet Gonzalez...[et al.]; Irudiak: Stefanie Saile, José María Valera}, series = {Lagunartean (Zubia)}, author = {González, Elisabet}, editor = {Saile, Stefanie}, editor = {Valera, Jose María}, address = {Etxebarri}, publisher = {: Zubia}, year = {2001}, note = {2001.04.10}, }