1. Towards a general theory of action and time;Allen;Artificial Intelligence,1984
2. M.L. Anderson, W. Gomaa, J. Grant, D. Perlis, On the reasoning of real-word agents: Toward a semantics for active logic, in: Proceedings of the 7th Annual Symposium on the Logical Formalization of Commonsense Reasoning, Dresden University Technical Report (ISSN 1430-211X), 2005
3. Reasoning with limited resources: Active logics expressed as labeled deductive systems;Asker;Bulletin of the Polish Academy of Sciences,2005
4. F. Bacchus, A. Grove, J. Halpern, D. Koller, Statistical foundations for default reasoning, in: IJCAI, 1993
5. Frontiers of Paraconsistent Logic;Batens,2000