@book{45638,
	author = {Walpole, Ronald E. and Cruz, Ricardo,},
	title = {Probabilidad y estadistica para ingenieros/},
	publisher = {Pearson Educacion },
	year = {c2001},
	address = {México  },
	edition = {6a ed.},
	note = {Incluye referencias bibliográficas e índice}
}