@Misc{BVMC:239765, author = {Pérez Martínez, Primitivo Florentino}, author = {Postigo, José Antonio}, title = {Proyecto Juan de la Cierva}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2001}, year = {2001}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcht2m2} }