Mantoura RFC, Martin J-M, and Wollast R (1991) Ocean
Margin Processes in Global Change. Dahlem Workshop
Reports No. 9. Chichester: Wiley.
Oslo and Paris Commissions (1993) North Sea Quality
Status Report – 1993. Fredensborg, Denmark: Olsen &
Olsen.
Salbu B and Steinnes E (eds.) (1995) Trace Elements in
Natural Waters. Boca Raton, FL: CRC Press.
Sindermann CJ Ocean Pollution: Effects on Living
Resources and Humans. Boca Raton, FL: CRC Press.
Wu J and Boyle EA (1997) Lead in the western North
Atlantic Ocean: completed response to leaded gasoline
phaseout. Geochimica et Cosmochimica Acta 61:
3279--3283.
272 METAL POLLUTION