1. On the logic of theory change: partial meet contraction and revision functions;Alchourrón;J. Symb. Log.,1985
2. On the difference between updating a knowledge base and revising it;Katsuno,1991
3. Combining multiple knowledge bases;Baral;IEEE Trans. Knowl. Data Eng.,1991
4. On the semantics of theory change: arbitration between old and new information;Revesz,1993
5. Belief revision and default reasoning: syntax-based approaches;Nebel,1991