@Book{BVMC:668941, author = {Velasco Bayón, Balbino}, author = {Herrero Jiménez, Mauricio}, author = {Pecharromán Cebrián, Segismundo}, author = {Montalvillo García, Julia}, title = {Colección documental de Cuéllar (934-1492). Volumen 1}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2014}, year = {2014}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc447g8} }