@INPROCEEDINGS {12849,
author={A. Teixeira and A. Shahpari and J.D. Reis and M. J. N. Lima},
doi={10.1364/NFOEC.2013.JW2A.09},
booktitle={OSA Optical Fiber Communications - OFC},
title={Spectral Management in Flexible Multiwavelength PONs},
year={2013},
month={March},
volume={CD},
pages={JW2A09---} 
}