Kuzhivelil Joseph, Arun, and Jayalekshmi Sankaran. “Third Order Nonlinear Optical Constants of L-Alaninium Oxalate”. Photonics Letters of Poland 7, no. 3 (September 30, 2015): pp. 81–83. Accessed June 14, 2024. https://photonics.pl/PLP/index.php/letters/article/view/7-29.