G. Brewka, T. Eiter:
"Equilibria in Heterogeneous Nonmonotonic Multi-Context Systems";
Talk: National Conference on Artificial Intelligence (AAAI), Vancouver, British Columbia, Canada; 2007-07-22 - 2007-07-26; in: "Proceedings of the Twenty-Second AAAI Conference on Artificial Intelligence", AAAI Press, (2007), ISBN: 978-1-57735-323-2; 385 - 390.