Kovalev N. N. Gidroturbiny. Konstrukcii i voprosy proektirovaniya. In Russian/ Kovalev H. H. Gidroturbiny. Construction and questions design. In Russian, Moscow - landofmagazines.com

TransliterationKovalev N. N. Gidroturbiny. Konstrukcii i voprosy proektirovaniya. In Russian

In EnglishKovalev H. H. Gidroturbiny. Construction and questions design. In Russian, Moscow

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