@book{30191,
	author = {Papoulis, S Pillai Athanasios.},
	title = {Probability, random variables and stochastic processes /},
	publisher = {Tata Mcgraw Hill,},
	year = {2002.},
	series = {Tata McGraw-Hill Edition},
	address = {New Delhi},
	edition = {4th ed.}
}