Volzhskiĭ kaskad GĖS : triumf i tragedii︠a︡ Rossii /
Burdin, Evgeniĭ Anatolʹevich.
Moskva : ROSSPĖN (Rossiĭskai︠a︡ politicheskai︠a︡ ėnt︠s︡iklopedii︠a︡),
2011.
Economic history and conditions.
Economics.
Energy industries. Energy policy. Fuel trade.
Social sciences.