@book{544844,
	author = {Riley, William F. and Sturges, Leroy D.},
	title = {Engineering mechanics :},
	publisher = {Wiley,},
	year = {c1993.},
	address = {New York :},
	url = {http://www.loc.gov/catdir/enhancements/fy0607/92030901-t.html}
}