I. A Proposed Method for the Measurement and Reduction of Spectrograms for the Determination of the Radial Velocities of Celestial Objects.- II. Application to a Study of the Variable Star W Sagittarii

I. A. P. P. P. and its Activities

I. A. Timchenko and the beggining of the astronomical instruments making in Odessa

I. Bernard Cohen (1914 - 2003)

I. Collisional evolution and reddening of asteroid surfaces: The problem of conflicting timescales and the role of size-dependent effects

I. Ellipse des zweiten d'Arrestschen Cometen

I. Flux and color variations of the quadruply imaged quasar HE 0435-1223

I. Holographic Image-Deblurring and Aperture-Synthesis Methods: Applications in X-ray Astronomy. II. High-Resolution Synthesized-Aperture Imaging Using Superposition of Partial-Resolution Images in Single Photograph

I. Intensive Optical Monitoring of the BL Lac object PKS 2155-304: the July 1998 campaign. II. Optical Polarization of PKS 2155-304

I. Lichtwechsel und Periode des Veränderlichen YZ Persei

I. O. Yarkovsky and the Discovery of 'his' Effect

I. S. Bowen died 1973, Februar 6.

I. Small angle scattering of radiation. II. Molecular emission lines around evolved stars

I. U. E. Observations of PKS 2155-30 and PG 1351+64.

I. UBV photometry of selected members of the Pleiades and Alpha Persei clusters in 1999

I. V. Gavrilov. The Figure and Dimensions of the Moon from Astronomical Observations.

I. V. Gavrilov. The Figure and Dimensions of the Moon from Astronomical Observations.

I.A.U. Archives of Unpublished Observations of Variable Stars - 1979-1981 Data

I.A.U. Archives of Unpublished Observations of Variable Stars - 1981-1984 Data

I.A.U. archives of unpublished observations of variable stars: 1978 - 79 data.