@book{10936,
	author = { Patra, Nihar Ranjan.},
	title = { Advance Geotechnological Engineering (Pdf Lecture Module 25 )},
	publisher = {; Indian Institute of Technology , Kanpur.},
	address = {IIT Kanpur },
	url = {http://nptel.ac.in/courses/105104132/Module4/lecture25.pdf}
}