@book{2809,
	author = {Leonard, William R.},
	title = {Government statistics for business use /},
	publisher = {Wiley,},
	year = {[1956]},
	series = {Wiley publications in statistics},
	address = {New York :},
	edition = {2nd ed.},
	note = {"Selected list of international statistical publications": p. 402-404.}
}