@INPROCEEDINGS {34773,
author={F. Sequeira and D. Duarte and R.N.  Nogueira and L. Bilro},
doi={ 10.3390/proceedings2019015012 },
booktitle={International Symposium on Sensor Science},
title={Low-Cost Sensing with Plastic Optical Fibers—From Turbidity and Refractive Index to Chemical Sensing},
year={2019},
month={May},
volume={15, 12},
pages={-} 
}