Author Волков Е. З. Струмилин С.Г. Description Volkov, E.Z. Dynamics of the population of the USSR for eighty years / Preface. S.G. Strumilina. - M.; L.: Gos. publishing house, 1930. -273 p. : tab. - (Economic Library) . I. Strumilin, SG .. Source of the electronic copy: PB Publisher Гос. изд-во
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