@INPROCEEDINGS {3222,
author={L.   Cancela and J. J. O.  Pires},
doi={},
booktitle={Advanced International Conference on Telecommunications  AICT},
title={Application of the Saddle Point Method for the Evaluation of the Probability Density Function of Pre-Amplified OOK Systems in the Presence of Intrachannel Crosstalk},
year={2005},
month={July},
volume={*},
pages={*-*} 
}