BERZAL TEJERO, María Jesús. Sources for a history of Navarrese tecnology in the Spanish Patent and Trademark Office: The patent files (1878-1939). Huarte de San Juan. Geografía e Historia, [S. l.], n. 16, p. 165–205, 2009. Disponível em: https://revista-hsj-historia.unavarra.es/HSJ-Historia/article/view/3473. Acesso em: 22 sep. 2026.