@book{10952,
	author = { Patra,Nihar Ranjan.	},
	title = {Advance Geotechnological Engineering ( Pdf Lecture Module 30)},
	publisher = {; Indian Institute of Technology , Kanpur.},
	address = {IIT Kanpur},
	url = {http://nptel.ac.in/courses/105104132/Module5/lecture30.pdf}
}