@Book{BVMC:636675, author = {Martínez de Osma, Pedro}, title = {Petri Osniensis ... i[n] ethicor[um] Aristotelis libros co[m]me[n]tarii}, url = {https://www.cervantesvirtual.com/obra/petri-osniensis--in-ethicorum-aristotelis-libros-commentarii-0} }