@book{2459,
	author = {Davis, Harold T. and Nelson, William Franklin Cram,},
	title = {Elements of statistics with application to economic data,},
	publisher = {The Principia Press, Inc.},
	year = {[c1937]},
	address = {Bloomington, Ind.,},
	edition = {2nd ed., rev. and enl.},
	note = {Bibliography included in preface; "Sources of statistical data": p. 11-14; "References": p. 369-370.}
}