@Book{BVMC:636660,
author = {Santa Cruz, Alonso de},
author = {Johannes de Sacro Bosco},
author = {Peurbach, Georg von},
author = {Apiano},
title = {Astronómico real (Ms. 2622)},
url = {https://www.cervantesvirtual.com/obra/astronomico-real-ms-2622}
}