Shyamala, B. S., P. V. A. Lakshmi, and V. J. T. Raju. ‚ÄúSynthesis, Characterization, Antifeeding and Insect Growth-Regulating Activities of Cr(III), Mn(II), Fe(III), Co(II), Ni(II) and Cu(II) Complexes With N-Acetylacetonyl-3-Aminocoumarin‚ÄĚ. Journal of Scientific Research, vol. 2, no. 3, Aug. 2010, p. 525, doi:10.3329/jsr.v2i3.4673.