@book{45522,
	author = {International Conference on Input-Output Techniques, and Brody, Andras, and United Nations.},
	title = {Proceedings of the Fourth International Conference on Input-Output Techniques, Geneva, 8-12 January 1968 :},
	publisher = {North-Holland Pub. Co.,},
	year = {c1970.},
	address = {Amsterdam :},
	note = {Conference sponsored by United Nations and the Harvard Economic Research Project under a grant from the Ford Foundation.}
}