K. Mounika, A. Pragathi, and C. Gyanakumari, “Synthesis¸ Characterization and Biological Activity of a Schiff Base Derived from 3-Ethoxy Salicylaldehyde and 2-Amino Benzoic acid and its Transition Metal Complexes”, J. Sci. Res., vol. 2, no. 3, p. 513, Aug. 2010.