@book{49322,
	author = {Lueptow, Richard M.},
	title = {Graphics concepts for computer-aided design /},
	publisher = {Pearson Prentice Hall,},
	year = {c2008},
	series = {ESource},
	address = {Upper Saddle River, NJ :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/toc/fy0715/2007279587.html}
}