Vijayasekhar, J., K. Lavanya, and M.V. Phani Kumari. “Vibrational Frequencies of Phosphorus Trichloride With the Vibrational Hamiltonian”. East European Journal of Physics, no. 2 (June 1, 2024): 407-410. Accessed July 17, 2024. https://periodicals.karazin.ua/eejp/article/view/23381.