BibTex format
@article{Liu:2012:10.1049/el.2011.3847,
author = {Liu, Y and Al-Ahdal, A and Georgiou, P and Toumazou, C},
doi = {10.1049/el.2011.3847},
journal = {ELECTRONICS LETTERS},
pages = {548--U28},
title = {Minimal readout scheme for ISFET sensing arrays based on pulse width modulation},
url = {http://dx.doi.org/10.1049/el.2011.3847},
volume = {48},
year = {2012}
}