@BOOK{ Book!D - 94479733,
AUTHOR = "/Braja M. Das, Khaled Sobhan., Das,Sobhan",
TITLE = "Principles of geotechnical engineering",
LIBRARY= "کتابخانه مرکزی دانشگاه ایلام",
SUBJECT = " Soil mechanics,Geotechnical engineering",
URL = "/book/94479733/Principles-of-geotechnical-engineering/"}