Astronomy Reports -- August 2001 Volume 45, Issue 8, pp. 581-665 Properties of Quasar–Galaxy Associations and Gravitational Mesolensing by Halo Objects Yu. L. Bukhmastova pp. 581-590 Full Text: PDF (181 kB) Identification of Sources of Ultrahigh Energy Cosmic Rays A. V. Uryson pp. 591-599 Full Text: PDF (119 kB) Variability of the H2O Maser Emission in S255 M. I. Pashchenko, E. E. Lekht, and I. I. Berulis pp. 600-610 Full Text: PDF (244 kB) The Structure of Matter Flows in Semi-Detached Binaries after the Termination of Mass Transfer D. V. Bisikalo, A. A. Boyarchuk, A. A. Kil'pio, O. A. Kuznetsov, and V. M. Chechetkin pp. 611-619 Full Text: PDF (2156 kB) Formation of Low-Mass X-Ray Novae with Black Holes from Triple Systems A. G. Kuranov, K. A. Postnov, and M. E. Prokhorov pp. 620-630 Full Text: PDF (134 kB) Evolution of the Dust Envelope of Sakurai's Star (V4334 Sgr) in 1997–1999 V. I. Shenavrin and B. F. Yudin pp. 631-642 Full Text: PDF (142 kB) Detection of Prolonged, Extremely Faint Decimeter Bursts on the Sun V. M. Bogod and L. V. Yasnov pp. 643-651 Full Text: PDF (127 kB) Coherent Structures in the Dynamics of the Large-Scale Solar Magnetic Field A. V. Mordvinov and L. A. Plyusnina pp. 652-658 Full Text: PDF (531 kB) Anisotropy of Small-Scale Inhomogeneities in the Region of Solar-Wind Acceleration I. V. Chashei pp. 659-665 Full Text: PDF (91 kB)