Efimovich N. I. Spravochnaya kniga dlya inzhenerov i tekhnikov putey soobshcheniya i inzhenerov-stroiteley na 1907 god. Chast I./Efimovich N. I. Reference book for engineers and track technicians and civil engineers for 1907. Part I. In Russian (ask us if in doubt) - landofmagazines.com

TransliterationEfimovich N. I. Spravochnaya kniga dlya inzhenerov i tekhnikov putey soobshcheniya i inzhenerov-stroiteley na 1907 god. Chast I.

In EnglishEfimovich N. I. Reference book for engineers and track technicians and civil engineers for 1907. Part I. In Russian (ask us if in doubt)

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