@ARTICLE {33435,
author={J. M. Pedro and J. J. O.  Pires},
doi={10.1364/JOCN.456582},
journal={Journal of Optical Communications and Networking},
title={Benefits of counterpropagating Raman amplification for multiband optical networks},
year={2022},
month={July},
volume={14},
number={7},
pages={562-571},
ISSN={1943-0620}
}