(1981). Field test sections on expansive soil / by Lawrence D. Johnson ; prepared for Office, Chief of Engineers, U.S. Army under RDT&E work unit AT40/EO/004.
Chicago-čujuhus (17. p.)Field Test Sections on Expansive Soil / by Lawrence D. Johnson ; Prepared for Office, Chief of Engineers, U.S. Army Under RDT&E Work Unit AT40/EO/004. 1981.
MLA-čujuhus (9. p.)Field Test Sections on Expansive Soil / by Lawrence D. Johnson ; Prepared for Office, Chief of Engineers, U.S. Army Under RDT&E Work Unit AT40/EO/004. 1981.
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