@book{13661,
	author = {Bohn, Thomas W. and Stromgren, Richard L.,},
	title = {Light and shadows :},
	publisher = {Mayfield Pub. Co.,},
	year = {1987.},
	address = {Palo Alto, Calif. :},
	edition = {3rd ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/description/mh024/86061131.html}
}