%0 Journal Article %A L. F. Vereshchagin %A S. V. Starodubtsev %A M. S. Yunusov %T Colouring and luminescence of synthetic ruby when treated with $\mathrm{Co}^{60}$ gamma-rays %J Doklady Akademii Nauk %D 1964 %P 300-302 %V 159 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_159_2_a17/ %G ru %F DAN_1964_159_2_a17