@book{9119,
	author = {Lancaster, P R. and Mitchell, D},
	title = {The mechanics of materials /},
	publisher = {Wiley,},
	year = {c1967.},
	address = {New York :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0607/84007583-d.html}
}