@INPROCEEDINGS {2832,
author={O. Postolache and P.M. Girão and J. M. Dias Pereira and H.  Ramos},
doi={},
booktitle={IMEKO TC4 Symp.},
title={Auto Calibration of Stand-alone Filed Operating Sensors for Distributed Water Quality Monitoring Systems},
year={2005},
month={September},
volume={Vol I},
pages={75-80} 
}