@book{10961,
	author = { Patra, Nihar Ranjan.	},
	title = {Advance Geotechnological Engineering (Pdf Lecture Module 39)},
	publisher = {; Indian Institute of Technology , Kanpur.},
	address = {IIT Kanpur.},
	url = {http://nptel.ac.in/courses/105104132/Module6/lecture39.pdf}
}