Philippines=Austria relations 500 years 著者: Collinson, Maria Zeneida Angara, Angster, Rudolf, Collinson, Elena, Donko, Wilhelm M., Estafia, Jose Conrado, Jose, Ricardo Trota, Kanzler, Christine, Oster, Nicolas Maximilian, Steiner, Ruth, Stockinger, Joahann, de Vienna, Augusto Vicente