1. Wang XQ, Xu D, Yuan DR, Tian YP, Yu WT, Sun SY, Yang ZH. Synthesis, structure and properties of a new nonlinear optical: zinc cadmium tetrathiocyanate. Mater Res Bull. 1999;34:2001–11.
2. Prasad PN, Williams DJ. Introduction to nonlinear optical effects in molecules and polymers. New York: Willey; 1991.
3. Chemla DS, Zyss J. Nonlinear optical properties of organic molecules and crystals, vol. 1. New York: Academic Press; 1987.
4. Malliga P, Gonsago CA, Sagayaraj PS, Pragasam AJA. Crystal growth, spectral, optical, and thermal characterization of glycl-l-alanine hydrochloride (GLAH) single crystal. J Therm Anal Calorim. 2012;110:873–8.
5. Ramamurthi K, Madhurambal G, Ravindran B, Mariappan M, Mojumdar SC. The growth and characterization of a metal organic crystal, potassium thiourea thiocyanide. J Therm Anal Calorim. 2011;104:943–7.