@book{52423,
	author = {Hox, Joop J.  and Moerbeek,  Mirjam },
	title = {Multilevel Analysis: Techniques and Applications/ by Joop J. Hox,  Mirjam Moerbeek, Rens Van De Schoot},
	publisher = {Routledge, },
	year = {xv, 347 p.},
	address = {New York : }
}