@book{1959,
	author = {SOTO DIAZ, ELISA DEL R.},
	title = {PRODUCCION MICROBIANA DE UN INTERMEDIARIO  DE LA CADENA B DE INSULINA HUMANA/ },
	publisher = {EL AUTOR},
	year = {1984},
	address = {TUXTLA GUTIERREZ ; CHIAPAS: }
}