@inproceedings{DBLP:conf/aimsa/BenhammadiNS98,
title = {Extension Calculus and Query Answering in Prioritized Default Logic},
author = {Benhammadi, Farid and Nicolas, Pascal and Schaub, Torsten},
booktitle = {{AIMSA}},
pages = {76--87},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
volume = {1480},
year = {1998}
}