L. S. Kumar, K. S. Prasad, and H. D. Revanasiddappa, “Synthesis, characterization, antioxidant, antimicrobial, DNA binding and cleavage studies of mononuclear Cu(II) and Co(II) complexes of 3-hydroxy-N’-(2-hydroxybenzylidene)-2-naphthohydrazide”, Eur. J. Chem., vol. 2, no. 3, pp. 394–403, Sep. 2011.