@INPROCEEDINGS {4948,
author={M. J. N. Lima and R.N.  Nogueira and P.S André and A. Teixeira},
doi={},
booktitle={International Microwave and Optics Conf.},
title={3G radio distribution based on directly modulated lasers over passive transparent optical networks},
year={2007},
month={October},
volume={x},
pages={y-z} 
}