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Boness, K. D. (1987) Introductory models for eddy current testing. UKAEA, Harwell Atomic Energy Research Establishment, Harwell, pp25. ISBN 0705812251
Boness, K. D. (1987) A send-receive instrument for digital eddy current testing with reflection coils and current deflection techniques. UKAEA, Harwell Atomic Energy Research Establishment, pp20. ISBN 0705812545