4. Bibliography
THAYER, G.W. 1970. Comparison of two storage methods for the analysis of nitrogen and phosphorus fractions in estuarine water. Chesapeake Sci. 11:155.
SALLEY, B.A., J.G. BRADSHAW & B.J. NEILSON. 1986. Results of Comparative Studies of Presevation Techniques for Nutrient Analysis on Water Samples. Virginia Institute of Marine
Science, Gloucester Point.