@book{ Solr-8257, title = {Matematika 6 : 1. koadernoa : Lehen Hezkuntza / Luis Ferrero; itzulpena, Itziar Bilbao}, series = {Ireki atea}, author = {Ferrero, Luis}, editor = {Uriarte Gómez, Xabier}, address = {Madril}, publisher = {: Anaya-Haritza}, year = {2009}, note = {2009.05.22}, url = { http://www.anaya.es} }