@book{1958,
	author = {ECA and Instituto Universitario de Opinion Publica;Alvaro Artiga-Gonzalez; Armando Salazar},
	title = {El Dialogo social: complemento democratico},
	publisher = {Universidad "Jose Simeon Cañas"},
	year = {2002.},
	series = {644 / Junio},
	address = {San salvador, El salvador;}
}