@Book{BVMC:934235, author = {Mas y Casas, J. M. de}, title = {"El conde Rodulfo". Crónica Catalana (890 a 904)}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2018}, year = {2018}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc0934235} }