1. Part VII: Matsunaga, S., Fusetani, N., and Konosu, S., Tetrahedron Lett. (in press).
2. Biology of the Bryozoans. Eds R.M. Woolacot and R.L. Zimmer. Academic Press, New York 1977.
3. Marine Natural Products, vol. 1–5. Ed. P.J. Scheuer. Academic Press, New York 1978, 1979, 1981, 1982, 1983.
4. Carle, J.S., and Christophersen, C., J. Am. chem. Soc.101 (1979) 4012.
5. Carle, J.S., and Christophersen, C., J. org. Chem.45 (1980) 1586.