TY - BOOK ID - BVMC:636672 AU - Petrus de Arvernia TI - Expositio magistri Petri de Aluernia super quattuor libris metheorum Aristotelis UR - https://www.cervantesvirtual.com/obra/expositio-magistri-petri-de-aluernia-super-quattuor-libris-metheorum-aristotelis-0 ER -