1. Blumer, M.: Angew. Chem. Internat. Edit. 14, 507 (1975)
2. Hegeman, G.D.: in Degradation of Synthetic Organic Molecules in the Biosphere, pp. 56–71, 1972. Available from: Printing and Publishing Office, National Academy of Science, 2101 Constitution Avenue, N.W., Washington, D.C. 20418
3. Blumer, M., Youngblood, W.W.: Science 188, 53 (1975)
4. Gibson, D.T.: in Fate and Effects of Petroleum Hydrocarbons in Marine Organisms and Ecosystems. ( D.A. Wolfe, ed.), pp. 36–46, New York, Pergammon Press, 1977
5. Hackerman, N.: Science 185, 401 (1974)