1. Structure, luminescence and photoconductivity studies of piperazine tartrate single crystals grown from aqueous solution;Raseel;AIP Conf. Proc.,2019
2. Interactions between light waves in a nonlinear dielectric;Armstrong;Phys. Rev.,1962
3. Introduction to Crystal Growth-Principles and Practice;Bhat,2015
4. N. Bloembergen. Nonlinear Optics, Crystal Growth, 4th ed. New York:1965.
5. Nonlinear optical properties of organic molecules and crystals;Nicoud,1987