@book{32911,
	author = {Timoshenko, S. },
	title = {Engineering mechanics /},
	publisher = {D. Van Nostrand company, inc.,},
	year = {c1956.},
	address = {New York :},
	edition = {4th ed. },
	note = {Includes Index. },
	url = {http://www.loc.gov/catdir/toc/fy0714/43002731.html}
}