@book{19932,
	author = {Kramer, Samuel Noah, 1897-1990.},
	title = {Cradle of civilization :},
	publisher = {Time life international,},
	year = {1967.},
	series = {Great ages of man; a history of the world's cultures},
	address = {Nederland :},
	note = {Includes index.
Bibliography: p. 179.}
}