1. Chester, R., in Proc. Twentieth Nobel Symp.: The Changing Chemistry of the Sea, 291 (1912)
2. Baseline Studies of Pollutants in the Marine Environment and Research Recommendations: The IDOE Baseline Conference (edit. by Goldberg, E. D.) (New York, 1972).
3. Chester, R., and Johnson, L. R., Nature, 231, 176 (1971).
4. Hoffman, G. L., Duce, R. A., and Toller, W. H., Environ. Sci. Technol., 5, 1134 (1971).
5. Prospero, J. M., and Bonatti, E., J. geophys. Res., 74, 3362 (1969).