00679nam0-22002411i-450 991028905400332120181029132256.020181029d1948----km-y0itay50------baenga-------001yyCrystal RectifiersHenry Torrey, Charles A. WhitmerNew YorkMc Graw Hill Book Company1948XIII, 443 p.ill.23,5 cmChimicaTorreyHenry759623WhitmerCharles759624ITUNINARICAUNIMARCBK9910289054003321DCH-013-4124251DCHDCHCrystal Rectifiers1535877UNINA