New York State College of Agriculture and Life Sciences, .Loehr, R. C., .Martin, C. S., & Rast, W. (1980). Phosphorus management strategies for lakes. Ann Arbor Science.
Tohutoru Kātū Chicago (17th ed.)New York State College of Agriculture and Life Sciences, Raymond C. .Loehr, Colleen S. .Martin, me Walter Rast. Phosphorus Management Strategies for Lakes. Ann Arbor, Mich.: Ann Arbor Science, 1980.
Tohutoro MLA (9th ed.)New York State College of Agriculture and Life Sciences, et al. Phosphorus Management Strategies for Lakes. Ann Arbor Science, 1980.
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