@INPROCEEDINGS {11143,
author={A. Sousa and C. Marques and R.N.  Nogueira and P.S André},
doi={},
booktitle={International Conf. on Transparent Networks – ICTON},
title={OSNR monitoring using Hi-Bi FBG for 10 Gbit/s optical networks},
year={2011},
month={June},
volume={},
pages={1-4} 
}