Research Papers
| Opening transients and the quality of classic guitars | |
| A. Jaroszewski, A. Rakowski, J. Żera | 79-84 |
| Effects of aircraft noise on the mental functions of schoolchildren | |
| Zbigniew Koszarny | 85-105 |
| Variations of the fundamental frequency in polish voiced consonants* | |
| Olga Matuszikina | 105-119 |
| a study of the underwater acoustic disturbances produced by a ship propeller | |
| Eugeniusz Kozaczka | 121-139 |
In Memoriam
| Jerzy Wehr | |
| Editorial Committee | 75-77 |
Chronicle
| XXIV-th Open Seminar On Acoustics | |
| Gustaw Budzyński | 141-149 |