An Introduction to VHF/UHF for Radio Amateurs - I. D. Poole

London: Bernard Babani, 1990, Paperback £11.80

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Digital Audio and Compact Disc Technology - Luc Baert, Luc Theunissen, Guido Vergult, Jan Maes & Jan Arts

Oxford, London, Boston, Munich, New Delhi, Singapore, Sydney, Tokyo, Toronto & Wellington: Focal Press, 1995, Paperback £18.30

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Facts Worth Knowing About Frequency Converters - Anon

Danfoss, 1991, Hardback in Dust Wrapper £13.30

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