@book{144757,
	author = {Díez Picazo y Ponce de León, Luis. and Gullón Ballesteros, Antonio,},
	title = {El contrato en general},
	publisher = {Tecnos},
	year = {1990.},
	series = {Biblioteca universitaria de Editorial Tecnos},
	address = {Madrid},
	edition = {6 ed.}
}