Martínez Román, Etien, 		Sotolongo Costa, Oscar, 		Batista Leyva, Alfo, AND 		Altshuler, Ernesto.
"Velocity Profile of Granular Flows down a Heap Described by Dimensional Analysis" <em>Revista Cubana de Física</em> [Online], Volume 32 Number 1 (15 July 2015)