@book{37050,
	author = {Wonnacott, Ronald J. and Wonnacott, Thomas H.},
	title = {Introductory statistics.},
	publisher = {Wiley},
	year = {c1985.},
	series = {Wiley series in probability and mathematical statistics},
	address = {New York},
	edition = {4th ed.},
	note = {Rev. ed. of: Introductory statistics / Thomas H. Wonnacott, Ronald J. Wonnacott. 3rd ed. c1977.}
}