@Book{BVMC:1372982,
author = {Johannes de Sacro Bosco},
author = {Danti, Egnazio},
author = {Danti, Piervincenzo},
title = {La sfera di messer Giouanni Sacrobosco},
url = {https://www.cervantesvirtual.com/obra/la-sfera-di-messer-giouanni-sacrobosco-1372982}
}