@article {506,
	title = {Information-Theoretic Analysis of a Family of Improper Discrete Constellations},
	journal = {Entropy},
	volume = {20},
	year = {2018},
	doi = { doi:10.3390/e20010045},
	url = {http://www.mdpi.com/1099-4300/20/1/45/pdf},
	author = {Santamar{\'\i}a, Ignacio and Crespo, P. and Lameiro, Christian and Schreier, Peter J.}
}
