Larrea Cox, Pedro J., 		Hernández Tabares, Lorenzo, 		Suárez San Pedro, Cirilo E., 		Vázquez Cano, Aradys, AND 		de los Reyes Rodríguez, Marlén.
"Evaluation of Automatic Densitometer with Laser Diode" <em>Revista Cubana de Física</em> [Online], Volume 27 Number 1 (5 June 2010)