Schuman, G. E. (1980). Quality and heavy metal content of forages grown on reclaimed mined lands in the Northern Great Plains. Agricultural Experiment Station, University of Wyoming.
Citace podle Chicago (17th ed.)Schuman, Gerald E. Quality and Heavy Metal Content of Forages Grown on Reclaimed Mined Lands in the Northern Great Plains. Laramie, Wyo.: Agricultural Experiment Station, University of Wyoming, 1980.
Citace podle MLA (8th ed.)Schuman, Gerald E. Quality and Heavy Metal Content of Forages Grown on Reclaimed Mined Lands in the Northern Great Plains. Agricultural Experiment Station, University of Wyoming, 1980.
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