Archive.org (Creative Computing, May/June 1975)

Atari Archives (Best of Creative Computing, vol. 1)

Truels, or how game theory may explain survival of the weakest (Mind Your Decisions, September 25, 2007)

The Mexican Standoff (Puzzling Stack Exchange, May 20, 2014)

Answer to Puzzle #51: Three Way Duel or Truel (Nigel Coldwell)