Shobhana, E., BABU BALRAJ, MOHANBABU BHARATHI, and V. SATHYANARAYANAMOORTHI. “A Review on the Non-Linear Optical Performance of Picric Acid Based Crystals”. Asian Journal of Chemistry 35, no. 11 (October 31, 2023): 2603–2617. Accessed July 22, 2024. https://asianpubs.org/index.php/ajchem/article/view/35_11_03.