1. BAUM, G, ORBITAL LESION LOCALIZATION BY 3 DIMENSIONAL ULTRASONOGRAPHY, NEW YORK STATE JOURNAL OF MEDICINE 61: 4149 (1961).
2. Department of Health Education and Welfare Publication 1973 FDA 73-8008 BRH/DHEW 73-1 Liquid surface ultrasonic holography in interaction of ultrasound and biological tissues
3. ROBINSON, D.E., DISPLAY OF 3-DIMENSIONAL ULTRASONIC DATA FOR MEDICAL DIAGNOSIS, JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 52: 673 (1972).
4. An Introduction to Coherent Optics and Holography 1969