@book{1190,
	author = {Beer, Ferdinand P. and Johnston, E. Russell},
	title = {Mechanics of materials},
	publisher = {McGraw Hill,},
	year = {2017.},
	address = {Chennai :},
	edition = {7th ed.},
	url = {https://www.amazon.com/Mechanics-Materials-7th-Ferdinand-Beer/dp/0073398233}
}