Das, Braja M. <br/><br/>
Principles of geotechnical engineering :  ninth edition / 
Braja M. Das, Khaled Sobhan. 
 - Si edition. 
 - pages cm 
<br/><br/><label>ISBN: </label>9781305970953 
<br/><br/><label>LCCN: </label>2016956180