Urrutia Badiola, Andres2024-12-052024-12-0514476NULLhttp://mendebalde.eus/jardunaldiak/1999/Berbalauaren%20kulunkan:%20eusebio%20erkiaga.pdfhttps://gordailua.ueu.eus/handle/123456789/14465Euskal HerriaHistoriaBerbalauaren kulunkan: Eusebio Erkiagaintroduction