@book{40238,
	author = {Witt, Emil. and Gehrke, Marta-Elisabeth.},
	title = {Removable Appliance Fabrication A Text for Technicians Students and Practitioners of Orthodontics / },
	publisher = {Quintessence Publishing Co, Inc , },
	year = {1988.},
	address = {London : },
	edition = {1st ed / }
}