@ARTICLE {34500,
author={P.S André and L.  Alves and M Freitas and M.  Relvas and R.  Ferreira},
doi={10.4236/opj.2013.32B033},
journal={optics and photonics journal},
title={Printable Optical Filters for Visible Optical  Communications},
year={2013},
month={June},
volume={03},
number={02},
pages={136-138},
ISSN={2160-8881}
}