S. D. SAWANT, A. A. BARAVKAR and R. N. KALE (2011) “FT-IR spectroscopy: Principle, technique and mathematics”, International Journal of Pharma and Bio Sciences, 2(1), pp. 513–519. Available at: https://ijpbs.net/index.php/journal/article/view/579 (Accessed: 23 July 2026).