Das, B. M. (2013). Fundamentals of geotechnical engineering fourth edition. Cengage Learning.
Chicago Style aipamenaDas, Braja M. Fundamentals of Geotechnical Engineering Fourth Edition. Cengage Learning, 2013.
MLA aipamenaDas, Braja M. Fundamentals of Geotechnical Engineering Fourth Edition. Cengage Learning, 2013.
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