@INPROCEEDINGS {2994,
author={M. J. N. Lima and R.N.  Nogueira and A. Teixeira and P.S André and R. F. Rocha},
doi={},
booktitle={SPIE - Optoelectronics, Photonic Devices, and Optical Networks},
title={Abnormal growth mechanism of fiber Bragg gratings in high-Germanium-doped fibers},
year={2005},
month={April},
volume={5825},
pages={310-315} 
}