%0 Journal Article %A I. G. Berzina %A I. B. Berman %T Identification of etching figures on fission fragment tracks in ionic crystals %J Doklady Akademii Nauk %D 1967 %P 553-555 %V 174 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1967_174_3_a12/ %G ru %F DAN_1967_174_3_a12