@Misc{BVMC:266666, author = {Lopetegui Semperena, Guadalupe}, title = {Escribas y notarios en la Cancillería Real Navarra durante el siglo XII}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2010}, year = {2010}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc5h7m8} }