Acoustical Physics -- September 2004 Volume 50, Issue 5, pp. 493-622 Acoustic Remote Sensing of Currents at the Shelf of the Sea of Japan V. A. Akulichev, V. V. Bezotvetnykh, E. A. Voitenko, S. I. Kamenev, A. P. Leont'ev, and Yu. N. Morgunov pp. 493-495 Full Text: PDF (48 kB) Reflection and Refraction of Surface Acoustic Waves by a Periodic Domain Structure N. L. Batanova, A. V. Golenishchev-Kutuzov, V. A. Golenishchev-Kutuzov, and R. I. Kalimullin pp. 496-500 Full Text: PDF (66 kB) False Learning Function of an Acoustic Signal Classifier A. N. Goncharov pp. 501-511 Full Text: PDF (125 kB) Electroacoustic Lamb Waves in Piezoelectric Crystal Plates M. Yu. Dvoesherstov, V. I. Cherednik, and A. P. Chirimanov pp. 512-517 Full Text: PDF (98 kB) Calculation of the Speed of Sound in Seawater from the Known Ion Concentrations D. A. Denisov, E. P. Abramova, and A. V. Abramov pp. 518-522 Full Text: PDF (60 kB) Correlation Noise in the Acoustic Wave Front Inversion V. A. Zverev pp. 523-527 Full Text: PDF (61 kB) Segmentation of Acoustic Images by Neural Network Processing S. V. Il'in and M. N. Rychagov pp. 528-534 Full Text: PDF (287 kB) Reduction of the Error of Hydrophone Calibration with Respect to the Field in a Hydroacoustic Tank by the Reciprocity Method A. E. Isaev, A. N. Matveev, V. A. Smelov, and A. I. Shchelkunov pp. 535-543 Full Text: PDF (1680 kB) Reflection and Refraction of Acoustic Waves at the Boundary between a Magnetoacoustic Material and a Dielectric M. M. Karpuk, D. A. Kostyuk, Yu. A. Kuzavko, and V. G. Shavrov pp. 544-551 Full Text: PDF (103 kB) On the Feasibility of Normal Wave Selection in a Shallow-Water Waveguide B. G. Katznel'son, S. A. Pereselkov, and V. G. Petnikov pp. 552-561 Full Text: PDF (138 kB) Structure of Acoustic Domains in a Cholesteric Liquid Crystal under the Effect of Ultrasound E. N. Kozhevnikov pp. 562-570 Full Text: PDF (115 kB) Acoustical Method for Measuring the Gas Content in Bottom Sediments N. N. Komissarova and A. V. Furduev pp. 571-574 Full Text: PDF (139 kB) The Angular Dependence of the Coefficient of Sound Reflection from Anisotropic Volume Inhomogeneities of the Ocean E. A. Kopyl and Yu. P. Lysanov pp. 575-579 Full Text: PDF (63 kB) Analysis of Tracheal Noise of Forced Human Expiration According to Clinical Experimental Data V. I. Korenbaum and I. A. Pochekutova pp. 580-584 Full Text: PDF (53 kB) Rayleigh Wave Attenuation Due to the Scattering by Two-Dimensional Irregularities of the Walls of an Empty Borehole G. A. Maximov, E. Ortega, E. V. Pod"yachev, and M. R. Chillemi pp. 585-595 Full Text: PDF (126 kB) Diffraction Focusing of the Sound Field of a Vertical Antenna Array in a Range-Dependent Shallow Sea Yu. V. Petukhov pp. 596-601 Full Text: PDF (155 kB) Localization of a Transverse Elastic Wave in a Semibounded Acoustic Superlattice of Ferrimagnetic and Superconducting Layers: 1. Slip Boundary O. S. Tarasenko, C. V. Tarasenko, and V. M. Yurchenko pp. 602-611 Full Text: PDF (123 kB) SHORT COMMUNICATIONS On the Determination of the Phase of a Plane Sound Wave Transmitted through a Layer M. V. Lobur and Ya. P. Kosobutskii pp. 612-613 Full Text: PDF (28 kB) INVITATION TO DISCUSSION Development of an Acoustical-Mathematical Model of a Human Heart for a Fast Diagnosis of Preinfarction Angina by Pulse V. P. Glotov, R. A. Vadov, and P. A. Kolobaev pp. 614-620 Full Text: PDF (149 kB) INFORMATION Information on the Activities of the St. Petersburg Seminar on Computational and Theoretical Acoustics of the Scientific Council on Acoustics of the Russian Academy of Sciences in 2003 pp. 621-622 Full Text: PDF (22 kB)