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Williams, Geraint, G. Williams, H. Neil McMurray, D.A Worsley, and Hamilton McMurray. "Crime and Corrosion: Fingerprint Detection Using a Scanning Kelvin Probe." EUROCORR 2004 - European Corrosion Conference: Long Term Prediction and Modelling of Corrosion 2004.

Williams, Geraint, et al. "Crime and Corrosion: Fingerprint Detection Using a Scanning Kelvin Probe." EUROCORR 2004 - European Corrosion Conference: Long Term Prediction and Modelling of Corrosion 2004.