1. Anderson, J., J. Neff, and S. Petrocelli: Sublethal effects of oil, heavy metals and PCBs on marine organisms. In: Mechanisms of Survival in Toxic Environments (ed. M. Khan), N.Y., Academic Press, 83 (1974).
2. Bertine, K., and E. Goldberg: Trace elements in clams, mussels, and shrimp. Limnol. Oceanogr.,17, 877 (1972).
3. Boothe, P., and G. Knauer: The possible importance of fecal material in the biological amplification of trace and heavy metals. Limnol. Oceanogr.,17, 270 (1972).
4. Chow, T.: Lead in the marine environment. In: Baseline Studies of Pollutants in the Marine Environment (ed. E. Goldberg), Brookhaven, N.Y., N.S.F./I.D.O.E., 209, (1972).
5. Duke, T., J. Willis, T. Price, and K. Fischler: Influence of environmental factors on the concentration of65Zn by an experimental community. In: Proc. 2nd Nat. Symp. on Radioecology, Ann Arbor (ed. D. Nelson and F. Evans),U.S. Atomic Energy Commission, 355 (1969).