An investigation on the EPR parameters and tetragonal distortion for Cu center in Mg(CHCOO) 4HO CrystalB. F. Liu, M. L. Qin, Y. P. Li, E. J. Liao, M. Y. Liu, H. M. Zhang, C. Yan and W. B. XiaoEur. Phys. J. D, 75 4 (2021) 137DOI: https://doi.org/10.1140/epjd/s10053-021-00128-1