@Misc{BVMC:267366,
author = {Comes, Mercè},
title = {Al-Sufi como fuente del libro de la "ochaua espera" de Alfonso X},
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2010},
year = {2010},
url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcgt648}
}