eal00166 https://autoritateak.eus/eal00166 1903 1977 0 ua Arizmendiarrieta Mandiola Santiago 1903-1977 Mandiola Santiago Arizmendiarrieta 1903-1977 Santiago Arizmendiarrieta 1903-1977 Santiago Arizmendiarrieta Mandiola 1903-1977