@book{202951,
	author = {Wang, Thomas C.},
	title = {Pencil sketching},
	publisher = {Wiley},
	year = {c2002.},
	address = {New York},
	edition = {2nd ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/description/wiley0310/2001045528.html}
}