Estevez-Rams, Ernesto, 		Martínez-Camejo, Yosdan, 		Estévez-Moya, Daniel, 		Gómez-Gómez, Danilo, AND 		Aragón-Fernández, Beatriz.
"Hilbert Curves in Two Dimensions" <em>Revista Cubana de Física</em> [Online], Volume 34 Number 1 (6 July 2017)