@article{P101.136,
author={Rombouts, P. and De Wilde, W. and Weyten, L.},
title={A 13.5-b 1.2-V Micropower Extended Counting A/D Converter},
journal={IEEE Journal of Solid-State Circuits},
year={2001},
month={2},
volume={36},
number={2},
pages={176-183},
publisher={IEEE},
series={IEEE Journal of Solid-State Circuits},
}