%0 Journal Article %A O. A. Evdokimova %A E. L. Belokoneva %A V. S. Urusov %T Localization of impurities in emerald, deduced %J Doklady Akademii Nauk %D 1989 %P 95-99 %V 306 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_306_1_a20/ %G ru %F DAN_1989_306_1_a20