@ARTICLE {9718,
author={M.B. Beko and R. Dinis},
doi={},
journal={Journal of Optical Communications and Networking},
title={Systematic method for designing constellations for intensity-modulated optical system},
year={2014},
month={May},
volume={6},
number={5},
pages={449-458},
ISSN={1943-0620}
}