@Misc{BVMC:278267,
author = {Bautista Pérez, Francisco},
title = {Alfonso X el Sabio. Cronología},
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2011},
year = {2011},
url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcfx7t7}
}