Book
- Author(s):
- Ausin, Maite, Ezkurdia Mujika, Jaione, Irazusta, Miren, Onaindia, Xabier, Unzueta, Karmele, Uranga, Kandido, Zubiaurre Leiaristi, Maria Luisa
- Year:
- 1977
- Organizations:
- UEU arg (Publisher)
- UDC:
- 5
- Knowledge-areas:
- Ekologia, Natur Zientziak
- View:
- www.ueu.eus
