1. Collier, A., 1953. The significance of organic compounds in sea water.Trans. N. Am. Wildl. Conf. 18, 463–472.
2. Collier, A., Ray, S., Magnitzky, A. W. &Bell, J. O., 1953. Effect of dissolved organic substances on oysters.Fishery Bull. Fish Wildl. Serv. U. S. 54, 167–185.
3. Degens, E. T., Reuter, J. H. &Shaw, K. N. F., 1964. Biochemical compounds in offshore California sediments and sea waters.Geochim. cosmochim. Acta 28, 45–66.
4. Hais, I. M. &Macek, K., 1958. Handbuch der Papierchromatographie. A. d. Tschech. Bd. 1. G. Fischer, Jena, 860 pp.
5. Hatch, M. J., Dillon, J. A. &Smith, H. B., 1957. Preparation and use of snake-cage poly electrolytes.Ind. Engng. Chem. 49, 1812–1819.