@book{76536,
	author = {Seco, Manuel,},
	title = {Gramática esencial del español},
	publisher = {Aguilar},
	year = {1979, c1972.},
	series = {Colección Obras de Consulta},
	address = {Madrid},
	edition = {1. ed., rev.},
	note = {First published 1972; 6th printing, with expanded bibliography (1974).}
}