@book{481742,
	title = {Clocks and clockworks by Craft Products.},
	publisher = {Craft Products Co.,},
	year = {[1974?].},
	address = {Elmhurst, Ill. :},
	note = {"Volume 73, no. 1"-- p. 96.},
	url = {http://www.archive.org/details/clocksclockworks00elmh}
}