@INPROCEEDINGS {1989,
author={O. Postolache and J. M. Dias Pereira and P.M. GirĂ£o and H.  Ramos},
doi={},
booktitle={IEEE Instrumentation and Measurement Technology Conf.},
title={Dew Point and Relative Humidity Smart Measuring System},
year={2004},
month={May},
volume={1},
pages={82-86} 
}
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