@book{9017,
	author = {Lockhart, Robert S.},
	title = {Introduction to statistics and data analysis for the behavioral sciences /},
	publisher = {Worth Publishers,},
	year = {1997.},
	address = {[S.l.] :},
	edition = {First Edition.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0716729741/chopaconline-20}
}