TY  - JOUR
A1  - Delgrande, James Patrick
A1  - Schaub, Torsten H.
T1  - Reasoning with sets of preferences in default logic
Y1  - 1998
UR  - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/23321
SN  - 3-540- 65271-x
ER  -