@book{2911,
	author = {Loether, Herman J.},
	title = {Descriptive and Inferential Statistics :},
	publisher = {Allyn and Bacon Inc},
	year = {1980.},
	address = {Boston},
	edition = {2nd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0205069053/chopaconline-20}
}