Das, Braja M. Principles of geotechnical engineering / Braja M Das, Khaled Sobhan - 8th ed. - Andover : Cengage Learning, c2014 - xxi,726 p. : ill. ; 24 cm. ISBN: 978-81-315-2613-2 Subjects--Personal Names: Civil Engineering Dewey Class. No.: 624.1513 / DAP