@book{7310,
	author = {Young, Warren C.},
	title = {Roark's Formulas for Stress and Strain},
	publisher = {McGraw-Hill,},
	year = {1989.},
	address = {New York:},
	edition = {6th ed.},
	url = {http://books.google.com.pk/books/about/Roark_s_Formulas_for_Stress_and_Strain.html?id=pummClLoFXEC&redir_esc=y}
}