@book{55007,
	author = {Martín de la Guardia, Ricardo M. and Pérez Sánchez, Guillermo A.},
	title = {Derechos humanos y comunismo /},
	publisher = {Arco/Libros,},
	year = {c1999.},
	series = {Cuadernos de historia ;},
	address = {Madrid :}
}