@book{13661,
	author = {Higdon, Archie. and Ohlsen, Edward.},
	title = {Mechanics of materials /},
	publisher = {Wiley,},
	year = {1985.},
	address = {[S.l.] :},
	edition = {4th ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0471890448/chopaconline-20}
}