@book{6839,
	author = {Ross, Sheldon M.},
	title = {Introduction to probability and statistics for engineers and scientists, third edition /},
	publisher = {Academic Press,},
	year = {2005.},
	address = {[S.l.] :},
	edition = {3rd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0125980574/chopaconline-20}
}