1. Nes WK, McKean ML (1977) Biochemistry of steroids and other isopentanoids, University Park, Baltimore
2. Kerr RG, Baker BJ (1991) Nat Prod Rep 8:465 and cited references
3. Goad LJ (1978) In: Scheuer PJ (Ed.) Marine natural products, chemical and biological perspectives, vol 2, Academic, New York, chap 2
4. Goad LJ (1981) Pure Appl Chem 51:837
5. Ikekawa N (1985) In: Danielsson H, Sjovall J (eds) Sterols and bile acids, Elsevier, Amsterdam, chap 8