Das, B. M. (2013). Fundamentals of geotechnical engineering fourth edition. Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Das, Braja M. Fundamentals of Geotechnical Engineering Fourth Edition. Cengage Learning, 2013.
Lua MLA (8ú heag.)Das, Braja M. Fundamentals of Geotechnical Engineering Fourth Edition. Cengage Learning, 2013.
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