@inproceedings{DBLP:conf/icail/CholvyC95,
author = {Laurence Cholvy and
Fr{\'e}d{\'e}ric Cuppens},
title = {Solving Normative Conflicts by Merging Roles},
booktitle = {ICAIL},
year = {1995},
pages = {201-209},
ee = {http://doi.acm.org/10.1145/222092.222241},
bibsource = {DBLP, http://dblp.uni-trier.de}
}