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1. Precision, Accuracy, and Efficiency of Four Tools for Measuring Soil Bulk Density or Strength
Precision, Accuracy, and Efficiency of Four Tools for Measuring Soil Bulk Density or Strength
Miller Richard E.
Hazard John W.
Howes Steven
Portland : USDA Forest Service , 2001. - 16 s. : obr., tab., 28 cm
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