1. Electromechanical ultrasonic scanning for dynamic imaging;Griffith,1975
2. Real time B-mode mechanical scanning system;Eggleton;Proc SPIE Application of Optical Instrumentation in Medicine III,1974
3. Real time two-dimensional mechanical ultrasonic sector scanner with electronic control of sector width;Schuette;Proc SPIE Application of Optical Instrumentation in Medicine V,1976
4. Real time two-dimensional echocardiography;von Ramm;Proc SPIE Application of Optical Instrumentation in Medicine III,1974
5. Electronic beam scanning applied to dynamic cardiac imaging;Thurstone,1975