@Misc{BVMC:292424, author = {Calvo-Sotelo, Joaquín}, title = {Carta abierta al marqués André de Belleval}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2012}, year = {2012}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcr7912} }