1. The Acoustic Bubble;Leighton,1994
2. Emission of harmonic and combination-frequency waves by air bubbles;Zabolotskaya;Sov. Phys. Acoust.,1973
3. Acoustic non-linearity due to micro-bubbles in water;Welsby;Acustica,1969
4. Nonlinear acoustic method for bubble density measurements in water;Sutin;J. Acoust. Soc Am.,1998
5. Control of parametric amplification using nonlinear vibration of bubbles under water;Asada;Jpn. J. Appl. Phys.,1990