@book{3053,
	author = {Santos, David A.},
	title = {Probability : an introduction},
	publisher = {Jones & Bartlett Pub.Boston},
	year = {2010.},
	address = {Boston},
	edition = {1st ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0763784117/chopaconline-20}
}