@InProceedings{buchali2017spectrally,
	author = {Buchali, Fred and Idler, Wilfried and Dischler, Roman and Eriksson, Tobias and Schmalen, Laurent},
	title = {Spectrally efficient probabilistically shaped square 64QAM to 256 QAM},
	book_title = {Proc. Eur. Conf. Opt. Commun. (ECOC)},
	pages = {1–3},
	address = {Gothenburg, Sweden},
	month = Sep,
	year = {2017},
}