@INPROCEEDINGS {1997,
author={O. Postolache and J. M. Dias Pereira and P.M. Girão and H.  Ramos},
doi={},
booktitle={MultiConf. on Systemics, Cybernetics and Informatics},
title={A Temperature Compensated Conductivity Sensor with Auto-Calibration Capabilities},
year={2004},
month={July},
volume={XIII},
pages={74-79} 
}