@INPROCEEDINGS{4283096, 
author={Osqui, M. and Roozbehani, M. and Megretski, A.}, 
booktitle={American Control Conference, 2007. ACC '07}, 
title={Semidefinite Programming in Analysis and Optimization of Performance of {Sigma-Delta} {Modulators} for Low Frequencies}, 
year={2007}, 
month={July}, 
pages={3582-3587}, 
}