Z. Kohavi, and P. Lavallée. AFIPS Spring Joint Computing Conference, volume 30 of AFIPS Conference Proceedings, page 713-718. AFIPS / ACM / Thomson Book Company, Washington D.C., (1967)
T. Crook, B. Frasca, R. Kohavi, and R. Longbotham. Proceedings of the 15th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, page 1105--1114. New York, NY, USA, ACM, (2009)