title of original: Irún a vista de grulla text type: Children's and young adults' literature year of publication of original: 1991 publisher: Irungo Udala country of publication of original : Spain
D.B.H.O.ko Unitate Didaktikoa = E.S.P.O. Unidad Didáctica : Ama Xantalen Ermita MuseoaArias Melle, Roberto (2001)
text type: Arts and sports year of publication of original: 2001 publisher: Irungo Udala country of publication of original : Basque Country
