@book{Ararteko-5609, title = {Valores sociales y drogas 2010}, editor = {MegĂ­as, Eusebio,}, editor = {Elzo Imaz, Javier,}, pages = 283, url = {http://biblioteca.ararteko.eus/Record/5609} crossref = {http://biblioteca.ararteko.eus/Record/5609} }