@INPROCEEDINGS {4115,
author={R.  Sousa and A. Pires and A. Rocha},
doi={},
booktitle={International Symp. on Signal  Processing and its Applications - ISSPA},
title={DSP Based Software/Digtal PLL Detector For Satellite Beacon Receivers},
year={2007},
month={February},
volume={**},
pages={**-**} 
}