M. AMALANATHAN
"Terahertz and FT-IR spectral analysis of a NLO material L-glutamine picrate: A DFT study".
AIP Conference Proceedings,
vol: 1267,
No.
Jun. 2010,
pp: 1192 - 1193,
https://scholar9.com/publication-detail/terahertz-and-ftir-spectral-analysis-of-a-nlo-mat-7090