Gibson, H. L. Test equipment for the radio amateur H. L. Gibson - 2nd ed. - Hertfordshire Radio Society of Great Britain 1978 - 151p. figs; index; table ISBN: 0-900612-41-X Subjects--Topical Terms: Radio AmateurTest Eqipment Universal Decimal Class. No.: 621.317.2:621.396.6 / GIB