@Book{BVMC:243106,
author = {Abraham ben'Ezra},
title = {De nativitatibus. Magistralis compositio astrolabii},
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2003},
year = {2003},
url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcd7997}
}