@book{507023,
	author = {Nentwig, Karl-Heinz. and Nentwig, K. },
	title = {Elsevier's dictionary of opto-electronics and electro-optics :},
	publisher = {Elsevier,},
	year = {1986.},
	address = {Amsterdam ;},
	note = {"In four languages: English, German, French, and Spanish."}
}