@ARTICLE {4727,
author={A. Sarma and A. Matos and J. Girão and R.  Aguiar},
doi={10.1007/s11277-008-9475-4},
journal={Wireless Personal Communications},
title={Virtual Identity Framework for Telecom Infrastructures},
year={2008},
month={June},
volume={45},
number={4},
pages={521-543},
ISSN={0929-6212}
}