Acoustical Physics -- July 2004 Volume 50, Issue 4, pp. 363-492 Waves Concentrated Near Weak-Contrast Boundaries I. V. Andronov pp. 363-369 Full Text: PDF (91 kB) A New Type of Acoustic Modes of Vibration of Thin Piezoelectric Plates: Quasi-Longitudinal Normal Modes I. V. Anisimkin[dagger] pp. 370-374 Full Text: PDF (78 kB) Filamentary Coagulation of Heavy Particles Suspended in Water in an Ultrasonic Field S. N. Antonov and A. V. Gerus pp. 375-380 Full Text: PDF (545 kB) Sound Radiation from a Cylindrical Transducer Filled with an Elastic Medium V. E. Glazanov and A. V. Mikhailov pp. 381-387 Full Text: PDF (107 kB) The Effect of Electrical Boundary Conditions on the Characteristics of Surface Acoustic Waves Propagating in Potassium Niobate B. D. Zaitsev, I. E. Kuznetsova, and I. A. Borodina pp. 388-393 Full Text: PDF (88 kB) Focused Antenna Array in a Strongly Inhomogeneous Medium V. A. Zverev pp. 394-400 Full Text: PDF (173 kB) Measurement of the Moments of the Relaxation Time Spectrum of a Liquid by Pulsed Acoustic Spectroscopy P. V. Zozulya and O. M. Zozulya pp. 401-405 Full Text: PDF (66 kB) Principle of an A Priori Use of Symmetries in the Theory of Nonlinear Waves N. H. Ibragimov and O. V. Rudenko pp. 406-419 Full Text: PDF (159 kB) Localization of Nonlinear Waves in Elastic Bodies with Inclusions D. A. Indeitsev and E. V. Osipova pp. 420-426 Full Text: PDF (91 kB) Orientation Phenomena in Nematic Liquid Crystals under a Periodic Compressional Deformation O. A. Kapustina pp. 427-433 Full Text: PDF (111 kB) Physical Model of Sound Scattering by a School of Fish Located Near an Interface A. A. Kleshchev pp. 434-437 Full Text: PDF (63 kB) Vector–Phase Characteristics of Acoustic Fields: Statistical Analysis and Measurement Algorithms V. I. Klyachkin pp. 438-445 Full Text: PDF (102 kB) Experimental Study of the Effects of Amplitude-Dependent Internal Friction in a Sandstone Bar Resonator V. E. Nazarov and A. V. Radostin pp. 446-453 Full Text: PDF (111 kB) BIOLOGICAL ACOUSTICS Echolocation Signals of Wild Dolphins W. W. L. Au pp. 454-462 Full Text: PDF (259 kB) Modeling of the Dolphin's Clicking Sound Source: The Influence of the Critical Parameters N. A. Dubrovsky, A. Gladilin, B. Møhl, and M. Wahlberg pp. 463-468 Full Text: PDF (65 kB) Dolphin's Echolocation Signals in a Complicated Acoustic Environment M. P. Ivanov pp. 469-479 Full Text: PDF (159 kB) Auditory Analysis of the Periodicity of Sound and Its Envelope: A Mathematical Model S. M. Ishchenko pp. 480-484 Full Text: PDF (65 kB) Auditory Detection of Paired Pulses by a Dolphin in the Presence of a Pulse Jam M. N. Sukhoruchenko pp. 485-492 Full Text: PDF (89 kB)