Astronomy Letters -- September 2001 Volume 27, Issue 9, pp. 549-613 Cosmological Variations in the Space–Time Distribution of Absorption Systems in Quasar Spectra A. I. Ryabinkov, A. D. Kaminker, and D. A. Varshalovich pp. 549-556 Full Text: PDF (129 kB) Photometric Observations of Galaxy Clusters from a New X-ray Survey R. A. Burenin, A. A. Vikhlinin, and M. N. Pavlinsky pp. 557-561 Full Text: PDF (304 kB) Background-Field Effects in Astrometric Microlensing V. I. Zhdanov, S. A. Salata, and E. V. Fedorova pp. 562-567 Full Text: PDF (90 kB) Interaction of a Nonstationary Ionization-Shock Front with an Inhomogeneous Interstellar Medium K. V. Krasnobaev pp. 568-573 Full Text: PDF (88 kB) A Spectroscopic Study of the Envelope of the Recurrent Nova CI Aquilae M. A. Burlak and V. F. Esipov pp. 574-580 Full Text: PDF (76 kB) Masses and Radii of the Components of V1016 Ori É. A. Vitrichenko and S. I. Plachinda pp. 581-589 Full Text: PDF (106 kB) On the Stationary Configuration of the Heliospheric Sheet M. M. Molodensky pp. 590-595 Full Text: PDF (75 kB) Self-Excitation of Motions in Near-Convection Zones and the Generation of Solar Magnetic Field Yu. V. Vandakurov pp. 596-607 Full Text: PDF (144 kB) Heterogeneity of the Interstellar Diamond in the CV3 Meteorite Efremovka A. V. Fisenko, A. B. Verchovsky, L. F. Semjonova, and C. T. Pillinger pp. 608-612 Full Text: PDF (87 kB) ERRATA Erratum: "Ultrahigh-Energy Gamma-Ray Emission from the Geminga Pulsar" [Pis'ma Astron. Zh. 27, 266 (2001); Astronomy Letters 27, 228 (2001)] Yu. I. Neshpor, A. A. Stepanyan, Yu. L. Zyskin, O. R. Kalekin, V. P. Fomin, N. N. Chalenko, and V. G. Shitov p. 613 Full Text: PDF (10 kB)