@book{97918,
	author = {Marín Pérez, Pascual,},
	title = {Introducción a la Ciencia del Derecho / },
	publisher = {Tecnos, },
	year = {1979.},
	series = {Manuales universitarios españoles ; },
	address = {Madrid : },
	edition = {4ª ed. rev.}
}