1. Angelic RJ. 1969Synthesis and Techniques in Inorganic Chemistry Philadelphia, PA: Saunders; 18.
2. Brown Steward A. 1981 Coumarins.Biochem. Planto 7, 269?300.
3. Bharat KB, Jayatyagaraju V, Vilas R, Ganorkar MC. 1987 Structural and physiological studies on Cr(III), Mn(II), Fe(II), Co(II), Ni(II), Cu(II) and Zn(II) complexes of 4-hydroxy-3-amino coumarin and 4-hydroxy-3-nitro coumarin.Orient J Chem. 3, 34?39.
4. Chaudhury AN, Bhattacharya A, Chaudhury A, Pal S. 1985 Chemical constituents of plants exhibiting insecticidal, antifeedant and insect growth regulating activities.J Sci Ind Res (India) 44, 85?101.
5. Crombie L. 1972 Insecticides. In: Tahori AS, ed.Proceedings of the IUPAC Congress of Pesticide Chemistry, Vol. I. New York: Gordon & Breach; 101.