“John-Teller Distortion in Octahedral Hexaaquacopper (II) Transition for S=1 2, D9 Metal Complex”. JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences 30, no. 1 (March 1, 2022): 54–62. Accessed April 27, 2024. https://www.journalofbabylon.com/index.php/JUBPAS/article/view/4064.