@book{51573,
	author = {Ehrenberg, A. S. C.},
	title = {A primer in data reduction :},
	publisher = {Wiley,},
	year = {01982},
	address = {New York :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/description/wiley031/81016360.html}
}