Aihe-ehdotuksia
Aihe-ehdotuksia
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1Moskva : Gos. ̇energeticheskoe izd-vo,v. : ill. ; 29-34 cm.Also issued online.Aiheet: “...Electrical engineering Periodicals....”
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2Moskva : Gos. ėnergeticheskoe izd-vo,v. : ill. ; 29-34 cm.Aiheet: “...Electrical engineering Periodicals....”