@INPROCEEDINGS {2718,
author={R.  Aguiar and JP Barraca and S. Sargento},
doi={},
booktitle={IEEE International Symp. on Computers and Communications - ISCC},
title={The Polynomial-Assisted Ad-hoc Charging Protocol},
year={2005},
month={June},
volume={0},
pages={0-0} 
}