@book{352333,
	author = {Wallschlaeger, Charles. and Busic-Snyder, Cynthia.},
	title = {Basic visual concepts and principles for artists, architects, and designers /},
	publisher = {Wm. C. Brown Publishers,},
	year = {c1992.},
	address = {Dubuque, Iowa :},
	note = {Includes index.(p517-527)},
	url = {http://www.loc.gov/catdir/toc/mh021/90081593.html}
}