@INPROCEEDINGS {6008,
author={J. Santos and J. M. Pedro and P. Monteiro and J. J. O.  Pires},
doi={},
booktitle={OSA Optical Fiber Communications - OFC},
title={Long-Reach 10 Gbps Ethernet Passive Optical Network Based on a Protected Ring Architecture},
year={2008},
month={February},
volume={OTul},
pages={1-3} 
}