%0 Journal Article %A Yu. V. Malov %T Electron-microscope investigation of ballas and carbonado~-- two artificial polycrystalline diamonds %J Doklady Akademii Nauk %D 1969 %P 807-808 %V 186 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_186_4_a18/ %G ru %F DAN_1969_186_4_a18