TY - GEN ID - BVMC:286641 AU - Clavius, Christophorus (S.I.) TI - Christophori Clauii ... In sphaeram Ioannis de Sacro Bosco commentarius UR - https://www.cervantesvirtual.com/obra/christophori-clauii-in-sphaeram-ioannis-de-sacro-bosco-commentarius-2 ER -