TY - BOOK AU - Gelder, Erich. AU - Hirschmann, Walter. TI - Circuits with semiconductor components. Volume 3 : : Designs with Germanium- and Silicon-transistors PY - 1970/// CY - Berlin : PB - Siemens, KW - ELECTROTECNIA KW - SEMICONDUCTORES KW - AUDIO KW - AMPLIFICACION KW - CONTROL KW - RADIO KW - TV ER -