1. Barber, R. T., J. Barret, J. A. McGowen, J. G. Quinn, L. Pomeray and L. Provasoli: The effects on marine organisms. Marine environmental quality. National Acad. of Science, Wash. D.C. 63–81, 1971
2. Bernhard, N. and A. Zattera: Valutazione per alcuni polluenti delle concentrazioni tollerabili nell'ambiente marino e della ingestione limite per l'uomo. Ecologia, Acqua, Aria, Suolo, 8, 612–620 (1975)
3. Bryan, G. W.: Zinc regulation in the lobster Homarus vulgaris. 1: Tissue zinc and copper concentrations. J. mar. biol. Ass. U.K. 44, 549–563 (1964)
4. Bryan, G. W.: The metabolism of zinc in crabs, lobster and freshwater crayfish, pp 1005–1016. Ed. by B. Alberg and F. P. Ungate. Radioecological concentration process. Oxford: Pergamon Press 1967
5. Goldberg, E. D.: Minor elements in sea water in chemical oceanography, pp 163–196. Ed. by J. P. Riley and G. Skirrow. New York: Academic Press 1965