@INPROCEEDINGS {2548,
author={E. Vasconcelos and R.  Aguiar and D. Santos},
doi={},
booktitle={IEEE International Conf. on Electronics, Circuits and Systems},
title={A 0.7um CMOS Clock Recovery Circuit for 622Mb/s SDH Systems},
year={1998},
month={September},
volume={1},
pages={411-414} 
}