Pal Singh, Netra, et al. “Synthesis, Spectral and Biological Studies on Novel Schiff Base Complexes of [Manganese(II), Copper(II), Nickel(II) and Cobalt(II)] Derived from 3-Chloro Benzohydrazide and Aldehyde Drivative”. Asian Journal of Chemistry, vol. 24, no. 12, Aug. 2012, pp. 5719-22, https://asianpubs.org/index.php/ajchem/article/view/9968.