1. Echocardiography of the aortic root;Gramiak;Investigative Radiology,1968
2. Echocardiography;Feigenbaum,1994
3. Ultrasonic detection of resonant cavitation bubbles in a flow tube by the second-harmonic emissions, Ultrasonics September;Miller,1981
4. The Acoustic Bubble;Leighton,1994
5. The Acoustic Bubble;Leighton,1994