@INPROCEEDINGS {37742,
author={I.  Duarte and L.   Cancela and J.  Rebola},
doi={10.1109/ConfTELE50222.2021.9435591},
booktitle={Conf. on Telecommunications  - ConfTele},
title={Graph Coloring Heuristics for Optical Networks Planning},
year={2021},
month={February},
volume={},
pages={-} 
}