"Short description: In Russian. Troitsky, Leonid Vasilievich. Compendium of Answers to Questions from Radio Amateurs. Moscow; Leningrad: Gosenergoizdat, 1955. Please feel free to contact us for a detailed description of the copies available. SKU8417135"
"Short description: In Russian. Troitsky, Leonid Vasilievich. Compendium of Answers to Questions from Radio Amateurs. Moscow; Leningrad: Gosenergoizdat, 1954. Please feel free to contact us for a detailed description of the copies available. SKU8417134"