@Book{BVMC:243179, author = {Vega, Lope de}, title = {La sortija del olvido : comedia famosa}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes ; Madrid : Biblioteca Nacional, 2005}, year = {2005}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc0p109} }