%0 Journal Article %A P. P. Budnikov %A N. M. Popov %A D. B. Sandulov %T Filiform single crystals of beryllium oxide, examined with the aid of a super high-voltage electron microscope %J Doklady Akademii Nauk %D 1965 %P 323-325 %V 164 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_164_2_a18/ %G ru %F DAN_1965_164_2_a18