@book{7738,
	author = {Hoel, Paul G.,},
	title = {Elementary statistics /},
	publisher = {Wiley,},
	year = {c1976.},
	series = {Wiley series in probability and mathematical statistics. Applied probability and statistics},
	address = {New York ;},
	edition = {4th ed.},
	note = {Includes index.}
}