%0 Journal Article %A G. V. Tsitsishvili %A G. D. Bagratishvili %A K. A. Bezhashvili %A D. N. Barnabishvili %A M. S. Shuakrishvili %T Production and investigation of type~$\mathrm{X}$ ceolites in ammonium and hydrogen ion-exchange forms %J Doklady Akademii Nauk %D 1963 %P 1136-1139 %V 152 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_152_5_a28/ %G ru %F DAN_1963_152_5_a28