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1Moskva : Gos. ̇energeticheskoe izd-vo,v. : ill. ; 29-34 cm.Also issued online.“...Glav̇energoprom NKTP (Soviet Union)...”
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2Moskva : Gos. ėnergeticheskoe izd-vo,v. : ill. ; 29-34 cm.“...Glavėnergoprom NKTP (Soviet Union)...”