 | Frischknecht, Neil C., 1918- 1n | (1) |
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 | Frischknecht, Neil C., 1918- 1n; Grazing intensities and systems on crested wheatgrass in central Utah : response of vegetation and cattle / by Neil C. Frischknecht and Lorin E. Harris. Washington : U.S. Dept. of Agriculture, 1968. | |
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