@INPROCEEDINGS {7564,
author={T. Costa and R. Neves and N. Horta},
doi={},
booktitle={Conf. on Telecommunications  - ConfTele},
title={Low-Area 4th-Order Shared-Amplfier Sigms-delta Modulator},
year={2009},
month={May},
volume={I},
pages={65-68} 
}