"Various techniques used in connection with random digits" by John von Neumann in "Monte Carlo Method" edited by A.S. Householder, G.E. Forsythe and H.H. Germond, 1951.
George Carlin (2015). “3 x Carlin: An Orgy of George including Brain Droppings, Napalm and Silly Putty, and When Will Jesus Bring the Pork Chops?”, p.464, Hachette UK