@book{2284,
	author = {Tippett, Leonard Henry Caleb,},
	title = {The methods of statistics;},
	publisher = {Williams and Norgate ltd.},
	year = {[1937]},
	address = {London,},
	edition = {2nd ed., rev. and enl.},
	note = {"First published in 1931; revised and reset in 1937."}
}