@book{9057,
	author = {Goldstein, Harvey. and Goldstein, Harvey.},
	title = {Multilevel statistical models /},
	publisher = {E. Arnold ;},
	year = {1995.},
	address = {London :},
	edition = {2nd ed.},
	note = {Previous ed. published in 1987 under title: Multilevel models in educational and social research.},
	url = {http://www.loc.gov/catdir/enhancements/fy0636/95207858-d.html}
}