Alonso-Llanes, Laciel, 		Rubio, L., 		Román, E., AND 		Altshuler, Ernesto.
"Intermittent and Continuous Flows in Granular Piles: Effects of Controlling the Feeding Height" <em>Revista Cubana de Física</em> [Online], Volume 34 Number 2 (5 December 2017)