@article{DBLP:journals/ail/BroersenT03,
author = {Jan Broersen and
Leendert W. N. van der Torre},
title = {What an Agent Ought To Do},
journal = {Artif. Intell. Law},
volume = {11},
number = {1},
year = {2003},
pages = {45-61},
ee = {http://dx.doi.org/10.1023/B:ARTI.0000013352.63798.08},
bibsource = {DBLP, http://dblp.uni-trier.de}
}