Aleali, H. , Mansour, N. , Mirzaie, M. (2014). 'Nonlinear Absorption and Scattering in Wide Band Gap Silver Sulfide Nanoparticles Colloid and Their Effects on the Optical Limiting'. World Academy of Science, Engineering and Technology, Open Science Index 93, International Journal of Physical and Mathematical Sciences, 8(9), 1274 - 1277.