S. D. SAWANT, A. A. BARAVKAR, and R. N. KALE. “FT-IR Spectroscopy: Principle, Technique and Mathematics”. International Journal of Pharma and Bio Sciences 2, no. 1 (March 31, 2011): 513–519. Accessed July 23, 2026. https://ijpbs.net/index.php/journal/article/view/579.