1. The distribution of copper in tropical sea water;Alexander;Limnol. Oceanogr.,1967
2. The seasonal variation in the copper content of sea water;Atkins;J. Mar. Biol. Assoc. U.K.,1963
3. Determination of trace metals in sea water by atomic absorption spectrophotometry;Brewer,1968
4. Seasonal variation in the concentration of copper in surface waters of San Juan Channel, Washington;Chow;J. Mar. Res.,1954
5. Iron in the sea and in marine plankton;Cooper,1935