VALECHA, S. and MANGAOKAR, K. 2010. Mixed Ligand Chelates of Transition Metal Ions with [(1-Phenyl-3-methyl-5-oxodihydropyrazol-4- yl)phenylimino]-2´,3´-dimethylaniline as a Primary Ligand and 2-Hydroxy-1-naphthaldehyde as a Secondary Ligand. Asian Journal of Chemistry. 20, 2 (Mar. 2010), 967–972.