@INPROCEEDINGS {14912,
author={R. X.  Ferreira and L. Bilro and C. Marques and R. Oliveira and R.N.  Nogueira},
doi={0},
booktitle={Optical Fiber Sensors Conf.},
title={Refractive Index and Viscosity: Dual Sensing with Plastic Fibre Gratings},
year={2014},
month={June},
volume={9157},
pages={915793-1-915793-4} 
}