T. Eiter, K. Makino:
"On Computing all Abductive Explanations";
Talk: National Conference on Artificial Intelligence (AAAI), Edmonton, Alberta, Canada; 2002-07-28 - 2002-08-01; in: "Proceedings Eighteenth National Conference on Artificial Intelligence (AAAI '02)", AAAI Press, Menlo Park, CA (2002), ISBN: 0-262-51129-0; 62 - 67.