Perception of computer simulated pulmonary lesions in chest radiographs. - John M. DeGroot; Ernest L. Hall; Richard N. Sutton; Gwilyu S. Lodwick; Samuel J. Dwyer III (ACM Annual Conference (1), 1972)

Computer simulation of irregular shaped lesions in radiographs. - John M. DeGroot; Samuel J. Dwyer III; Lewis J. Garrotto (ACM Annual Conference, 1973)