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Research Papers
| Deviations from equal temperament in tuning isolated musical intervals | |
| Andrzej RAKOWSKI, Andrzej MIŚKIEWICZ | 95-104 |
| Thresholds of perception of jump frequency changes for a decaying signal | |
| Edward OZIMEK, Aleksander SĘK | 105-122 |
| Thresholds of perception of irregular signal frequency changes | |
| Edward OZIMEK, Aleksander SĘK | 123-142 |
| An acoustic method for determining the parameters of fast surface in semiconductors states | |
| Aleksander OPILSKI, Tadeusz PUSTELNY | 143-150 |
| Ultrasonic studies on hydration of carboxylic acids, amino acids and peptides in aqueous ethanolic solutions | |
| Adam JUSZKIEWICZ | 151-160 |
| Investigation of the ultrasonic wave propagation along the boundary of two half-spaces: the elastic one of a solid and the viscoelastic one of a liquid | |
| Anna GRABOWSKA | 161-178 |
| Directional characteristic of a circular membrane vibrating under the effect of a force with uniform surface distribution | |
| Witold RDZANEK | 179-190 |
| Diffraction of a cylindrical acoustic pulse by a wedge | |
| Adam BRAŃSKI, Zbigniew ŻYSZKOWSKI | 191-198 |
Chronicle
| Noise and vibration hazard in Poland (synthesis of a report) | |
| Zbigniew ENGEL, Jerzy SADOWSKI | 199-212 |