Camas, J., Anzueto, G., Mendoza, S., Hernández, H., García, C., Vázquez, R., Juárez, N., AND Torres, W.. "Wavelength Stabilization of Semiconductor Laser with Application in Erbium Doped Fiber Amplifier" Revista Cubana de Física [Online], Volume 27 Number 1 (5 June 2010)