@book{31500,
	author = {Neeteson, P. A.},
	title = {Vacuum valves in pulse technique /},
	publisher = {Macmillan ;},
	year = {c1959.},
	series = {Philips' technical library. Electronic valves ;},
	address = {New York :},
	edition = {2d rev. and enl. ed.}
}