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| Professor Roman Wyrzykowski on the occasion of the 75th birthday and the 50th anniversary of scientific activity | |
| 375-382 |
Research Papers
| Model of an acoustic source with discontinuous optimal elements | |
| A. BRAŃSKI | 383-396 |
| Theoretical and experimental analysis of the band noise radiated from a hard-walled cylindrical duct | |
| A. SNAKOWSKA, H. IDCZAK | 397-410 |
| Propagation of sound waves of finite amplitude in a horn at frequencies below the cut-off frequency | |
| T. ZAMORSKI | 411-422 |
| Acoustic power of fluid-loaded circular plate located in finite baffle | |
| L. LENIOWSKA | 423-436 |
| On the relation between the inertial coagulation and the amplitudal effect | |
| H. CZYŻ | 437-444 |
| The motion of gas bubbles in a liquid under the influence of acoustical standing wave | |
| H. CZYŻ, W. ŚCIUK | 445-454 |
| The real acoustic power of a planar annular membrane radiation for axially-symmetric free vibrations | |
| W.J. RDZANEK, W.P. RDZANEK | 455-462 |
| The mutual impedance of two circular plates for high frequency wave radiation | |
| P. WITKOWSKI | 463-472 |
Chronicle
| Chronicle | |
| Editorial Board Archives of Acoustics | 473-480 |