@book{12045,
	author = {Clement, Wendell E. and Henderson, Peter Louis,},
	title = {The effect of different levels of promotional expenditures on sales of fluid milk /},
	publisher = {U.S. Dept. of Agriculture, Economic Research Service,},
	year = {1965.},
	address = {Washington, D.C. :},
	note = {Cover title.}
}