Pearl, Judea. The Solution for the Branching Factor of the Alpha–beta Pruning Algorithm and its Optimality. Communications of the ACM. August 1982, 25 (8): 559–564. doi:10.1145/358589.358616.
Edwards, D.J. and Hart, T.P. The Alpha–beta Heuristic (AIM-030). Massachusetts Institute of Technology. 4 December 1961 to 28 October 1963 [2006-12-21]. (原始内容存档于2012-04-08).请检查|date=中的日期值 (帮助)
Edwards, D.J. and Hart, T.P. The Alpha–beta Heuristic (AIM-030). Massachusetts Institute of Technology. 4 December 1961 to 28 October 1963 [2006-12-21]. (原始内容存档于2012-04-08).请检查|date=中的日期值 (帮助)