L. Kafi-Ahmadi and L. Shirmohammadzadeh, “Synthesis of Co(II) and Cr(III) salicylidenic Schiff base complexes derived from thiourea as precursors for nano-sized Co3O4 and Cr2O3 and their catalytic, antibacterial properties”, J. Nanostruct. Chem., vol. 7, no. 2 (June 2017), Feb. 2017, doi: 10.1007/s40097-017-0221-x.