001: 2564
003: Starlibrary PMS 4.5
005: 20180420
020: ^a81-7029-012-0
066: ^arn.T
072: ^aAlarms
082: ^a621
100: ^arndolf.graf
240: ^aThe encyclopedia of electronic circuits
245: ^aThe encyclopedia of electronic circuits
260: ^c1989
650: ^aAmature Radio
650: ^aAmplifiers