Soviet Physics UspekhiS. A. Akhmanov and V. E. Gusev, "Laser excitation of ultrashort acoustic pulses: new possibilities in solid-state spectroscopy, diag- nostics of fast processes, and nonlinear acoustics," Sov. Phys. Usp. 35,... SA Akhmanov,VÉ Gusev - 《Soviet Physics Uspekhi》 ...