@INPROCEEDINGS {325,
author={J.  Rebola and A. Cartaxo},
doi={},
booktitle={Pacific Rim Conf. on Lasers and Electro-Optics},
title={New Gaussian approximation for performance assessment of optically preamplified receivers with arbitrary optical and electrical filters},
year={2001},
month={July},
volume={2},
pages={316-317} 
}