Variation of optical properties and pulverization of minerals under the influence of ion bombardment. Radzhabov, Sh. S. ; Arifov, U. A. ; Ashmyanskij, R. A. ; Borukhov, M. Yu. ; Gruich, D. D. ; Peshekhonov, V. P. ; Rakhimov, R. R. Abstract Publication: Physics of the Moon and Planets Pub Date: 1972 Bibcode: 1972pmp..conf...57R