@book{4990,
	title = {Input-output techniques.},
	publisher = {North-Holland Pub. Co.},
	year = {1972 [1973] },
	address = {Amsterdam,},
	note = {Sole distributors for the U.S.A. and Canada: American Elsevier Pub. Co., New York. },
	url = {http://books.google.com/books?id=ea24AAAAIAAJ}
}