Agnihotri, Sonal, Bhoop Singh, Kiran Burman, and Kishor Arora*. “Theoretical Vibrational Mode Analysis of Schiff Bases Using Semi Empirical Methods-I”. Asian Journal of Chemistry 23, no. 5 (January 25, 2011): 2086–2088. Accessed June 30, 2024. https://asianpubs.org/index.php/ajchem/article/view/10334.