@book{8768,
	author = {Berry, William Dale. and Feldman, Stanley.},
	title = {Multiple regression in practice /},
	publisher = {Sage Publications,},
	year = {c1985.},
	address = {Beverly Hills :},
	url = {http://www.loc.gov/catdir/enhancements/fy0654/85050543-d.html}
}