@article{P107.055,
author={De Maeyer, Jeroen and Rombouts, Pieter and Weyten, Ludo},
title={Efficient multibit quantization in continuous-time Sigma Delta modulators},
journal={IEEE Trans. Circuits Syst.-I},
year={2007},
month={4},
volume={54},
number={4},
pages={757-767},
}