@book{51657,
	author = {Zenneck, Jonathan Adolf Wilhelm, and Rukop, Hans,},
	title = {Lehrbuch der drahtlosen telegraphie,},
	publisher = {F. Enke,},
	year = {1925.},
	address = {Stuttgart,},
	edition = {5. aufl.},
	note = {Mit 775 textabbildungen und zahlreichen tabellen.}
}