@book{180704,
	author = {United Nations.},
	title = {Proceedings of the Fourth Symposium on the Development of Petroleum Resources of Asia and the Far East. .},
	publisher = {United Nations,},
	year = {1972},
	series = {no.41 ,},
	address = {New York :},
	note = {"ST/SG/AC.10/11/Rev.1."}
}