Hellings, S. J. Transistor audio amplifiers. [By] S. J. Hellings. [Translated from the Dutch. - Eindhoven, Centrex, 1968] - ix, 339 p. 24 cm. - Philips technical library . Translation of Transistor audio versterkers. LCCN: 68105201 Nat. Bib. No.: Ne68-5 Subjects--Topical Terms: Transistor audio amplifiers. LC Class. No.: TK7871.2 / .H413 Dewey Class. No.: 621.381 535 HEL