@book{1951,
	author = {ECA. and Jose Miguel Cruz;Elena Berrocal y luis Anmando Gonzalez;Alvaro Magaña;Ernesto Selva Sutter.},
	title = {La seguridad en crisis.},
	publisher = {Universidad "Jose Simeon Cañas"},
	year = {2000.},
	series = {619-620 / Mayo -Junio},
	address = {San salvador, El salvador:}
}