@ARTICLE{
author={Tadic N,Gobovic D},
year={2002},
title={A square-rooting current-to-frequency converter},
journal={IMTC 2002: PROCEEDINGS OF THE 19TH IEEE INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE, VOLS 1 & 2},
volume={},
number={},
pages={1393-1398},
document_type={Proceedings Paper},
} 

@ARTICLE{
author={Tadic N,Gobovic D},
year={2001},
title={A floating, negative-resistance voltage-controlled resistor},
journal={IMTC/2001: PROCEEDINGS OF THE 18TH IEEE INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE, VOLS 1-3 - REDISCOVERING MEASUREMENT IN THE AGE OF INFORMATICS},
volume={},
number={},
pages={437-442},
document_type={Proceedings Paper},
}