@Misc{BVMC:223755,
author = {Barrantes, Dionisio},
title = {El posicionamiento de la Biblioteca Nacional de España},
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2004},
year = {2004},
url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcr2190}
}