"Minister of Energy of Ukraine" . . . "Ministry of Energy and Environmental Protection of Ukraine" . . "Minister of Energy" . . . . . . . "Ministry of Energy and Coal Industry" . . "Ministry of Energy (Ukraine)" . . . . . "Ministry of Energy (Ukraine)" . . . . "Ministry of Energy and Coal Mining" . . . . . . . . . "Ministry of Energy" . . . . . . . "Minister of Energy and Coal Industry of Ukraine" . . . . . . . . . . . "1971" .