Research Papers
| Analysis of the specific structure of the fundamental component of vocal sounds from the point of view of intonation evaluation | |
| Helena Harajda | 271-292 |
| Experimental methods of identifying sound sources on a machine | |
| Malcolm J. Crocker | 293-316 |
| Self-excited flow oscillation in an abruptly expanding circular duct as the noise source | |
| Andrzej P. Szumowski, Janusz Piechna | 317-330 |
| The sound power of a circular plate for high-frequency wave radiation | |
| Witold Rdzanek | 331-340 |
| The application of fourier integral transforms in a general theory of diffraction | |
| Roman Wyrzykowski | 341-354 |
Chronicle
| A brief report on workshop on ultrasound therapy and ultrasonic power measurement | |
| V. N. Bindal | 254 |