M. Faye, “Synthesis, Characterization and Single Crystal X–ray Crystallography of Nd(III) and Pr(III) Complexes with the Tridentate Schiff Base Ligand N’–(1–(pyridin–2–yl)ethylidene)nicotinohydrazide”, EJCS, vol. 6, no. 1, pp. 99-117, Jul. 2021.