@INPROCEEDINGS {8641,
author={E.C. Pinheiro and O. Postolache and P.M. Girão},
doi={},
booktitle={International Conf. on Sensing Technology - ICST},
title={Recent Advances on Unobtrusive Measurements of the Cardiovascular Function},
year={2010},
month={June},
volume={I},
pages={211-216} 
}