@book{117203,
	author = {Toynbee, Arnold Joseph and Fatone, Vicente},
	title = {Estudio de la Historia : la desintegración de las civilizaciones : segunda parte},
	publisher = {Emecé},
	year = {1959},
	series = {Estudio de la Historia},
	address = {Buenos Aires},
	edition = {1a. ed.}
}