@book{31935,
	author = {Riley, William F. and Sturges, Leroy D.},
	title = {Mechanics of materials /},
	publisher = {John Wiley,},
	year = {c2007},
	address = {Hoboken, N.J. :},
	edition = {6th ed.},
	note = {Includes index},
	url = {http://www.loc.gov/catdir/enhancements/fy0626/2005058365-t.html}
}