1. Hoffmann, J.A. (1986) Ten Years of Ecdysone Workshops, Insect Biochem. 16, 1–10.
2. Koolman, J. (1990) Ecdysteroids, Zool. Sci. 7, 563–580.
3. Warren, J.T., and Hetru, C. (1990) Ecdysone Biosynthesis: Pathways, Enzymes, and the Early Steps Problem, Invertebr. Reprod. Develop. 18, 91–99.
4. Lafont, R., and Horn, D.H.S. (1989) Phytoecdysteroids: Structures and Occurrence, in Ecdysone (Koolman, J., ed.), pp. 39–64, Thieme Medical Publishers, New York.
5. Camps, F. (1991) Ecological Chemistry and Biochemistry of Plant Terpenoids (Harbone, J.B., and Tomas-Barberán, F.A., eds.), pp. 331–376, Clarendon Press, Oxford.