Minutes of the Commission on the Study of Natural Productive Forces of Russia May 2, 1915. [Minutes of the Commission meeting on...

Commission on the study of the natural productive forces of Russia.Minutes of the Commission meeting on the study of the natural productive forces of Russia on May 2, 1915;[Minutes of the Commission meeting on the study of the natural productive forces of Russia on May 12, 1915].- [St. Petersburg: Type.Imp.Acad.Science, 1915].-13 s.;24. -OTT.From the news of Acad.science1915, vol.13. - without tit.l.and region.Electronic Source: PB