kumar, sarvendra; Kumar, R.; Teotia, J.; Yadav, M. K. Experimental and Theoretical (ab Initio and DFT) Analysis of UV-Vis Spectra, Thermodynamic Functions and Non-Linear Optical Properties of 2-Chloro-3,4-Dimethoxybenzaldehyde. JAP 2015, 8, 2122-2134.