Schallreuter, W L. Neon tube practice / W. L. Schallreuter ... - London, Blandford press ltd., c1933. - 132 p. front., illus., plates, diagrs. 26 cm. "Patent literature": p. 127-132. LCCN: 34001401 Subjects--Topical Terms: Neon tubesElectric signs LC Class. No.: TK4383 / .S4 Dewey Class. No.: 621.327/SCN