Sowers, G. F. (1979). Introductory soil mechanics and foundations: Geotechnical engeneering (4th ed.). McMillan.
Cita Chicago Style (17a ed.)Sowers, George F. Introductory Soil Mechanics and Foundations: Geotechnical Engeneering. 4th ed. New York: McMillan, 1979.
Cita MLA (8a ed.)Sowers, George F. Introductory Soil Mechanics and Foundations: Geotechnical Engeneering. 4th ed. McMillan, 1979.
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