* J. L. Kelly, Jr., [http://betbubbles.com/wp-content/uploads/2017/07/kelly.pdf Betbubbles.com]{{Dead link|date=January 2020 |bot=InternetArchiveBot |fix-attempted=yes }}, "A New Interpretation of Information Rate" ''Bell System Technical Journal'', Vol. 35, July 1956, pp. 917–26. | * J. L. Kelly, Jr., [http://betbubbles.com/wp-content/uploads/2017/07/kelly.pdf Betbubbles.com]{{Dead link|date=January 2020 |bot=InternetArchiveBot |fix-attempted=yes }}, "A New Interpretation of Information Rate" ''Bell System Technical Journal'', Vol. 35, July 1956, pp. 917–26. |