@book{21449,
	author = {Mood, Alexander McFarlane, and Graybill, Franklin A. , jt. auth.},
	title = {Introduction to the theory of statistics /},
	publisher = {McGraw-Hill,},
	year = {c1963, c1974 [Printing 1987].},
	series = {McGraw-Hill series in probability and statistics},
	address = {New York :},
	edition = {3rd ed.}
}