Literature
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- Kuenzler, E. J., & Ketchum, B. H., 1962: Rate of phosphorus uptake by Phaeodactylum tricomutum. — Biol. Bull. 123, 134–145.
- Olsen, S., 1965: Phosphate studies I—II. Interference with determination of inorganic phosphate in Fern Lake water. II: Review of literature pertinent to measurement of very low concentrations of phosphate. — Lab. Rad. Biol. Report UWFL, 82.
- Provisional Algal Assay Procedure, 1969: Joint Industry/Government Task Force on Eutrophication. — U. S. Dept. Interior, Corvallis, Oregon, 61.
- Rigler, F. H., 1966: Radiobiological analysis of inorganic phosphorus in lake water. — Verh. Internat. Verein. Limnol. 16, 465–470.
- Rigler, F. H., 1968: Further observations inconsistent with the hypothesis that the molybdenum blue method measures orthophosphate in lake water. — Limnol. Oceanogr. 13, 7–13.
- Sokal, R. R., & Rohlf, F. J., 1969: Biometry. The principles and practice of statistics in biological research. — W. H. Freeman and Co., San Francisco, 776 p.
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- Walton, C. P., 1971: A biological evaluation of the molybdenum blue method for orthophosphate analysis. — Ph. D. thesis, Water Chemistry — Zoology, University of Wisconsin, Madison, Wiss., 218 p.