1. Non-Monotonic Reasoning;Antoniou,1998
2. An Introduction to Default Logic, Symbolic Computation—Artifical Intelligence;Besnard,1989
3. Proof systems for default and autoepistemic logic;Bonatti,1996
4. A sequent calculus for skeptical default logic;Bonatti,1997
5. An abstract, argumentation-theoretic approach to default reasoning;Bondarenko;Artificial Intelligence,1997