Working towards the automatic detection of blood vessels in X-ray angiograms. - D. J. Stevenson; L. D. R. Smith; G. Robinson (Pattern Recognit. Lett., 1987)

Use of an Assumption-based Truth Maintenance System to Record and Resolve Ambiguity in Cardiac Angiograms. - S. T. Rake; L. D. R. Smith (Pattern Recognition, 1988)