@book{33731,
	author = {Silberberg, Gershon,},
	title = {Torat ha-defus /},
	publisher = {Irgun Mifʹale ha-Defus be-Yiʹsraʼel,},
	year = {1968]},
	address = {[Tel-Aviv :},
	note = {On verso of t.p.: Principles of printing.}
}