James Dzierzanowski, Kenneth R. Chrisman, Gary MacKinnon, Philip Klahr. The Authorizer's Assistant: A Knowledge-Based Credit Authorization System for American Express. In Herbert Schorr, Alain T. Rappaport, editors, Proceedings of the First Annual Conference on Innovative Applications of Artificial Intelligence, IAAI 1989, Stanford, California, USA, March 28-30, 1989. AAAI Press, 1989. [doi]