PHYSICS

Reversion of the indicatrix for “soft” particles

K. S. Shifrin^a, A. Ya. Perel'man<sup>b

a</sup> A. I. Voeikov Main Geophysical Observatory, Leningrad
^b All-Union Correspondence Forestry Institute

Presented: A. A. Lebedev
Received: 18.03.1964