1. Boone, K. G., andHolder, D. S. (1995a): ‘Assessment of noise and drift artefacts in electrical impedance tomography measurements using the Sheffield Mark I system’,Innov. Tech. Biol. Med.,16, (2), pp. 49–60
2. Boone, K. G., andHolder, D. S. (1995b): ‘A model of the effect of variations in contact and skin impedance on APT measurement artefacts’,-Ibid.,16, (2), pp. 61–70
3. Barber, D. C., andSeagar, A. D. (1987): ‘The Sheffield data collection system’,Clin. Phys. Physiol. Meas.,8, (Suppl A), pp. 91–98
4. Geddes, L. (1972): ‘Electrodes and the measurement of bioelectric events’, (John Wiley & Sons New York)
5. Hua, P., Woo, E. J., andWebster, J. G. (1993a): ‘Using compound electrodes in electrical impedance tomography,’IEEE Trans.,BME-40, pp. 29–34