@book{10920,
	author = { Patra, Nihar Ranjan.},
	title = {Advance Geotechnological Engineering ( Pdf Lecture Module 10)},
	publisher = {Indian Institute of Technology, Kanpur.},
	address = {IIT Kanpur.},
	url = {http://nptel.ac.in/courses/105104132/Module2/lecture10.pdf}
}