Images of the Twenty-First Century. Proceedings of the Annual International Engineering in Medicine and Biology Society, Seattle, WA, USA. volume 4; IEEE: pp. 1134-1135
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, New Orleans, LA, USA. volume 2; IEEE: pp. 889-891
1988,
Toff WD, Deller AGMcC, Hobbes RA, Robb DJ, Joy M, Camm AJ