J. Vijayasekhar and M. V. Subba Rao (2017) “Vibrational Frequencies of Water Isotopologues : Vibron Model”, International Journal of Mathematics And its Applications, 5(4 - E), pp. 727–729. Available at: https://ijmaa.in/index.php/ijmaa/article/view/1332 (Accessed: 11 March 2026).