@book{25796,
	author = {Walpole, Ronald E.},
	title = {Probability & statistics for engineers & scientists /},
	publisher = {Prentice Hall,},
	year = {c2002},
	address = {Upper Saddle River, NJ :},
	edition = {7th ed.},
	note = {Prev. ed. by Ronald E. Walpole}
}