Karumuri, S. R.; Rao, V. U. M.; Sekhar, J. V.; Surendrababu, M. S.; Patrudu, T. B.; Vamsikrishna, N.; Babu, K. S.; Kumar, V. S. S.; Srinivas, G. Studies of the Vibrational Energy Level of H2O by Algebraic and DFT Approaches. Ukr. J. Phys. 2018, 58, 836.