@Misc{BVMC:232063, author = {Alvar, Manuel}, title = {Menéndez Pidal : geografía lingüística y geografía folclórica}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2006}, year = {2006}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc183n2} }