@book{ Solr-11560, title = {"W Z X" / Aitor Zenarruzabeitia ; marrazkiak, Alberto Torcal}, series = {Euskara mailaka}, author = {Zenarruzabeitia, Aitor}, editor = {Torcal, Alberto}, address = {Bilbao}, publisher = {: Mensajero}, year = {1989}, url = { http://www.mensajero.com/web/index.php} }