GEOPHYSICS

Changes of physical properties of rocks under the action of ultrasonic vibration

M. A. Sadovskii^a, O. G. Shamina^a, Z. Stopinskii<sup>b

a</sup> The Institute of the Earth Physics, AS USSR, Moscow
^b Geophysical Institute Polish Academy of Sciences, Warsaw

UDC: 550.34.01

Received: 11.11.1988