@book{10950,
	author = { Patra,Nihar Ranjan.},
	title = {Advance Geotechnological Engineering (Pdf Lecture Module 28)},
	publisher = {Indian Institute of Technology , Kanpur.},
	address = {IIT Kanpur.},
	url = {http://nptel.ac.in/courses/105104132/Module5/lecture28.pdf}
}