Arrien Berrojaechevarria, Gregorio
To quote this article:
Auñamendi Eusko Entziklopedia. Arrien Berrojaechevarria, Gregorio. Auñamendi Encyclopedia [on line], 2025. [Date of consultation: July 15 2025]. Available in: https://aunamendi.eusko-ikaskuntza.eus/en/arrien-berrojaechevarria-gregorio/ar-24814/