@book{8184,
	author = {Lehri, Raghbir Singh},
	title = {Strength of Materials: mechanics of materials},
	publisher = {S. K. Kataria & Sons,},
	year = {2011.},
	address = {Delhi :},
	url = {http://www.amazon.com/exec/obidos/ASIN/8185749442/chopaconline-20}
}