1. Geologicheskai︠a︡ karta masshtab 1:1 000 000 chetvertichnykh otlozhenii / [cartographic material]
1994. 2008-01-17T18:41:25Z. 2011-03-28T21:55:07Z. Russia (Federation). Komitet po geologii i ispolʹzovanii͡u nedr. VSEGEI. Russian. Public. Kazakhstan and Astana. Quaternary.