M. A. Makhyoun, “The Ni(II) Complex of 2-Hydroxy-Pyridine-N-Oxide 2-Isothionate: Synthesis, Characterization, Biological Studies, and X-ray Crystal Structures Using (1) Cu K? Data and (2) Synchrotron Data”, namse-v2, pp. 111-123, Jan. 2020.