BibTex format
@inproceedings{Ng:2001:10.1109/ISCAS.2001.921810,
author = {Ng, AEJ and Sewell, JI and Drakakis, EM and Payne, AJ and Toumazou, C},
doi = {10.1109/ISCAS.2001.921810},
pages = {149--152},
publisher = {IEE},
title = {A Unified Matrix Method for Systematic Synthesis of Log-domain Ladder Filters},
url = {http://dx.doi.org/10.1109/ISCAS.2001.921810},
year = {2001}
}