Luengas Otaola VF. TIERRA DE AYALA PERFILES HISTORICOS DEL NOBLE VALLE DE OQUENDO. boletín [nternet]. 1980 Jan. 1 [cited 2024 Jun. 1];36(1-2-3-4). vailable from: http://www.rsbap.org/index.php/boletin/article/view/1348