Graf, Rudolf F. 25 Solid-state projects/ Rudolf F. Graf and George J. Whalen - Bombay: D.B. Tarapurevala Sons, c1972 - 117 p.: ill.; 21 cm. Includes index ISBN: £ 30.00 Subjects--Topical Terms: Solid state physicsSolid state electronicsElectronics Dewey Class. No.: 621.381