Anzueto-Sánchez, G., Camas-Anzueto, J., Martínez-Rios, A., Selvas Aguilar, R., AND Osuna-Galán, I.. "Fiber Lasers with Emission in the 2-3 µm Near Infrared Region" Revista Cubana de Física [Online], Volume 27 Number 1 (5 June 2010)