@INPROCEEDINGS {2672,
author={R.S. Luis and A. Teixeira and P.S André and P. Monteiro},
doi={},
booktitle={Conf. on Telecommunications  - ConfTele},
title={OSNR monitoring technique based on evaluation of asynchronous histograms},
year={2005},
month={April},
volume={-},
pages={---} 
}