@book{120389,
	author = {Navas-Ruiz, Ricardo.},
	title = {Ser y estar},
	publisher = {Almar},
	year = {D.L. 1977.},
	series = {Colección Lingüística},
	address = {Salamanca},
	edition = {Ed. renovada.},
	note = {Includes index.}
}