@book{3592,
	author = {Spiegel, Murray R. and Stephens, Larry J.},
	title = {Schaum's outline of theory and problems of statistics },
	publisher = {McGraw-Hill,},
	year = {1999.},
	series = {Schaum's outline series},
	address = {New York :},
	edition = {3rd ed. },
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/bios/mh041/98046602.html}
}