1. American Public Health Association: Standard methods for the examinations of water and wastewater, 13 ed., American Public Health Assoc., Washington, DC (1971).
2. Beadle, L. C.: The effects of salinity changes on the water content and respiration of marine invertebrates. J. Exp. Biol.8, 213 (1931).
3. Broderius, S. J.: Determination of molecular hydrocyanic acid in water and studies of the chemistry and toxicity to fish of the nickel-ocyanide complex. M.Sc. Thesis. Oregon State University, Corvallis, OR (1970).
4. Brown, M. E.: Experimental studies on growth. In M. E. Brown (ed.): The physiology of fishes. London: Academic Press (1957).
5. Cairns, J. and A. Scheier: The effect upon the pumpkinseed fish,Lepomis gibbosus (linn.) of chronic exposure to lethal and sublethal concentrations of dieldrin. Notul. Nat.370, (1964).