Techniques for the use of the digital computer as an aid in the diagnosis of heart disease. - C. A. Steinberg; W. E. Tolles; A. H. Freiman; Sidney Abraham; César A. Cáceres (AFIPS Eastern Joint Computing Conference, 1961)

A data communications and processing system for cardiac analysis. - M. D. Balkovic; C. A. Steinberg; P. C. Pfunke; César A. Cáceres (AFIPS Fall Joint Computing Conference, 1962)