@ARTICLE {21624,
author={F. P. Guiomar and R. Li and A. Carena Carena and C.  Fludger and V.  Curri},
doi={10.1364/JOCN.8.000A92},
journal={Journal of Optical Communications and Networking},
title={Hybrid Modulation Formats Enabling Elastic Fixed-Grid Optical Networks},
year={2016},
month={June},
volume={8},
number={7},
pages={A92-A92},
ISSN={1943-0620}
}