GEOPHYSICS

Radioisotopic analysis of rocks and soils from the energy spectrum of $\gamma$-rays in the bottom layer of the atmosphere

N. D. Baliasnyi, R. M. Kogan, M. V. Nikiforov, O. S. Renne, Sh. D. Fridman

Institute of Applied Geophysics of the USSR Academy of Sciences

Presented: E. K. Fedorov
Received: 31.03.1961