@book{23119,
	author = {Gregori, Waldemar de},
	title = {Cibernética social 1 :},
	publisher = {Isca Editores,},
	year = {[1984].},
	series = {Cibernética social},
	address = {Santafé de Bogotá, Colombia :},
	note = {Bibliografías: p. 71-75}
}