1. Nonlinear Acoustics;Bjørnø,1976
2. Characterization of biological media by means of their non-linearity;Bjørnø;Ultrasonics,1986
3. On the propagation of plane waves of finite amplitude;Gol’dberg;Sov. Phys. (Acoustics),1956
4. Real-time nonlinear parameter tomography using impulsive pumping waves;Ichida;IEEE Trans. Sonics Ultrasonics,1984
5. Measurement of nonlinear acoustic parameters in tissue;Bjørnø,1986