Provisional results of the reduction of observations with the Poulkovo zenith telescope during the years 1915-1928
П7/286 английский/Provisional results of the reduction of observations with the Poulkovo zenith telescope during the years 1915-1928 .Provisional results of the reduction of observations with the Poulkovo zenith telescope during the years 1915-1928.Provisional results of the reduction of observations with the Poulkovo zenith telescope during the years 1915-1928.[Ленинград]/, 1932 ( ). - 1932. - 14 с. : ил. ; 29 см см. - (Циркуляры Главной астрономической обсерватории в Пулково ; № 5).Provisional results of the reduction of observations with the Poulkovo zenith telescope during the years 1915-1928. [Ленинград], 1932 .Астрономические наблюдения/nlr_sh1/А-40/А-0(Пулковская обсерватория)/