GEOPHYSICS

On the variations of radium in underground waters of Kopetdag seismic active region

G. I. Voitov^a, M. R. Milkis^a, V. M. Belikov^a, T. V. Gevorkyan<sup>b

a</sup> The Institute of the Earth Physics, AS USSR, Moscow
^b South Karakum hydrogeological expedition, Ashgabat

UDC: 550.3

Presented: M. A. Sadovskii
Received: 26.12.1986