TY  - JOUR
A1  - Nicolas, Pascal
A1  - Schaub, Torsten H.
T1  - The XRay system : an implementation platform for local query-answering in default logics
Y1  - 1998
UR  - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/22344
SN  - 3-540-65312-0
ER  -