Paohh, J. Schaap
Short wave amateur radio - 1st ed. - Eindhoven Philips Technical Library 1963 - IX, 160 p. ill.
Short - waves: Radio Engineering
623.84151 / SCH/1963
Short wave amateur radio - 1st ed. - Eindhoven Philips Technical Library 1963 - IX, 160 p. ill.
Short - waves: Radio Engineering
623.84151 / SCH/1963