@book{35620,
	author = {Pollard, Alfred Hurlstone,},
	title = {Introductory statistics :},
	publisher = {Pergamon Press (Australia),},
	year = {1972.},
	address = {Rushcutters Bay, N.S.W.,},
	edition = {2nd ed.},
	note = {First ed. published 1968 under title: A service course in statistics.}
}