@book{478604,
	author = {Geoffrey R. Grimmett,  and Stirzaker, David.},
	title = {Probability and Random Processes },
	publisher = {Oxford University Press,},
	year = {2001.},
	address = {Oxford ;},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0612/2001034061-t.html}
}