ASTM Committee D-18 on Soils for Engineering Purposes. (1950). Procedures for testing soils: Nomenclature and definitions, standard methods, suggested methods.
Citace podle Chicago (17th ed.)ASTM Committee D-18 on Soils for Engineering Purposes. Procedures for Testing Soils: Nomenclature and Definitions, Standard Methods, Suggested Methods. Philadelphia, 1950.
Citace podle MLA (8th ed.)ASTM Committee D-18 on Soils for Engineering Purposes. Procedures for Testing Soils: Nomenclature and Definitions, Standard Methods, Suggested Methods. 1950.
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