@InProceedings{BFKP12,
author={Richard  Booth and Eduardo  Fermé and Sébastien  Konieczny and Ramón  Pino Pérez},
title= {Credibility limited revision operators in propositional logic},
booktitle = {Thirteenth International Conference on Principles of Knowledge Representation and Reasoning (KR'12)} ,
year= {2012}
}