United States. Soil Conservation Service & Water Resources Publications (Firm). (1980). Field density and moisture content test: Nuclear gauge method. Water Resources Publications.
Citace podle Chicago (17th ed.)United States. Soil Conservation Service a Water Resources Publications (Firm). Field Density and Moisture Content Test: Nuclear Gauge Method. Littleton, Colo.: Water Resources Publications, 1980.
Citace podle MLA (8th ed.)United States. Soil Conservation Service a Water Resources Publications (Firm). Field Density and Moisture Content Test: Nuclear Gauge Method. Water Resources Publications, 1980.
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