@book{10925,
	author = { Patra, Nihar Ranjan.},
	title = {Advance Geotechnological Engineering ( Pdf Lecture Module 14)},
	publisher = {; Indian Institute of Technology,Kanpur.},
	address = {IIT Kanpur.},
	url = {http://nptel.ac.in/courses/105104132/Module3/lecture14.pdf}
}