@book{ Solr-2456, title = {Eskailera kilikabera 5 urte : Matematika 3 / egileak, Ana Uguina, Iñigo Olabarri}, series = {Eskailera kilikabera}, author = {Uguina, Ana}, editor = {Olabarri, Iñigo}, address = {Etxebarri}, publisher = {: Zubia}, year = {1999}, note = {1999.07.11}, }