1. Ultrasonic diffraction from single apertures with applications to pulse measurements and crystal physics;Papadakis,1975
2. Effective area to be used in diffraction corrections;Chivers;J Acoust Soc Am,1980
3. Quantitative investigation of disc ultrasonic sources;Aindow;J Acoust Soc Am,1985
4. The definition and use of effective geometrical parameters for radiating transducers in experimental ultrasonics;Chivers;Acustica,1989
5. Effective radius for non piston-like radiators;Blakey;Acoust Lett,1989