Frequency conversion
Thomson J.
Frequency conversion by J. Thomson, W. E. Turk, M. J. Beesley. - London Wykeham 1969 - viii, 207p. - Wykeham technological series .
621.3136 / N69
Frequency conversion by J. Thomson, W. E. Turk, M. J. Beesley. - London Wykeham 1969 - viii, 207p. - Wykeham technological series .
621.3136 / N69