Astronomy Reports -- June 2003 Volume 47, Issue 6, pp. 443-530 A Dynamical Model of the Galaxy A. V. Khoperskov and N. V. Tyurina pp. 443-457 Full Text: PDF (696 kB) Radio and Optical Spectral Studies of Radio Sources V. L. Afanas'ev, S. N. Dodonov, A. V. Moiseev, A. G. Gorshkov, V. K. Konnikova, and M. G. Mingaliev pp. 458-466 Full Text: PDF (235 kB) Physical Properties of Molecular Clouds as Functions of Their Galactocentric Distance from CS and C34S Observations A. G. Kislyakov, I. I. Zinchenko, and L. E. B. Johansson pp. 467-479 Full Text: PDF (512 kB) A Model for the Dust Envelope of the Protoplanetary Nebula LSIV–12°111 M. B. Bogdanov pp. 480-482 Full Text: PDF (117 kB) Estimates of Relaxation Times in Numerical Dynamical Models of Open Star Clusters V. M. Danilov and L. V. Dorogavtseva pp. 483-491 Full Text: PDF (243 kB) Observations and Optical Light-Curve Analysis for the Precataclysmic Variable BE Ursae Majoris N. V. Raguzova, S. Yu. Shugarov, and N. A. Ketsaris pp. 492-497 Full Text: PDF (197 kB) Calculation of Profiles of CIV, NV, OVI, and SiIV Resonance Lines Formed in Accretion Shocks in T Tauri Stars: A Plane Layer S. A. Lamzin pp. 498-510 Full Text: PDF (278 kB) Model of a Multiscaled MHD Dynamo D. D. Sokoloff and P. G. Frick pp. 511-516 Full Text: PDF (209 kB) Solar Cyclicity during the Maunder Minimum M. G. Ogurtsov, G. E. Kocharov, and Yu. A. Nagovitsyn pp. 517-524 Full Text: PDF (177 kB) The Empirical Melchior Laws and Parametric Excitation of the Chandler Wobble G. S. Kurbasova, L. V. Rykhlova, and G. N. Shlikar' pp. 525-530 Full Text: PDF (157 kB)