1. Schmidt, J. O. 1986.“Venoms of the Hymenoptera”, Edited by: Piek, T. 425London: Academic Press.
2. Blum, M. S. and Herman, H. R. 1978.“Arthropod venoms”, Edited by: Bettini, S. 801New York, NY: Springer-Verlag.
3. Blum, M. S. 1984.“Handbook of Natural Toxins”, Edited by: Tu, A. T. Vol. 2, 225New York, NY: Marcel Dekker.
4. Braekman, J. C. and Daloze, D. 1990.“Studies in Natural Products Chemistry”, Edited by: Atta-ur-Rahman. Vol. 6, 421Elsevier.
5. Numata, A. and Ibuka, T. 1987.“The Alkaloids”, Edited by: Brossi, A. Vol 31, 193New York, NY: Academic Press.