@Misc{BVMC:266662, author = {Lopetegui Semperena, Guadalupe}, title = {Teodulfo de Orléans y las Artes Liberales}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2010}, year = {2010}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcjs9t5} }