%0 Journal Article
%A V. M. Sergeev
%A M. E. Ramenskaya
%T On yellow Iceland spar crystals blackening during the annealing
%J Doklady Akademii Nauk
%D 1975
%P 1077-1079
%V 220
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1975_220_5_a16/
%G ru
%F DAN_1975_220_5_a16