1. Feller, W. 1957.An Introduction to Probability Theory and Its Application, 311–317. New York: John Wiley.
2. Gupta, S.S. and Panchapakesan, S. 1991.Handbook of Sequential Analysis, Edited by: Ghosh, B.K. and Sen, P.K. 363–380. New York: Marcel Dekker.
3. Selecting the highest probability in binomial or multinomial trials