@book{63003,
	author = {Chappell, Eric},
	title = {AutoCAD® civil 3D® 2012 essentials :},
	publisher = {Wiley Technology Pub.,},
	year = {c2011},
	series = {Sybex serious skills},
	address = {San Francisco, Calif. :},
	note = {"Autodesk Certification Preparation"--Cover}
}