In Memoriam
| Professor dr hab. Janusz Kacprowski - In Memoriam | |
| I. Malecki | 3-4 |
Research Papers
| Speech signal transmission rate compression using of the time parameters coding method | |
| Cz. Basztura | 5-35 |
| AM and FM difference limens | |
| A. Sęk, E. Ozimek | 37-58 |
| Critical modulation frequency and critical band based on random amplitude and frequency changes | |
| A. Sęk | 59-74 |
| Problem of excess attenuation in acoustic measurements of gas bubble concentration in the sea | |
| J. Szczucka | 75-83 |
| Acoustic signatures of organic films floating on the sea surface | |
| S. J. Pogorzelski | 85-108 |
| Electroacoustic analogies applied to acoustic oscillator analysis | |
| G. Budzyński, M. Sankiewicz | 109-122 |
| Dipole retardation in a mixture of acetamide and calcium nitrate | |
| R. Płowiec, K. Orzechowski | 123-130 |
| Lithium tetraborate single crystals as a substrate for SAW devices | |
| J. Filipiak, A. Majchrowski, T. Łukasiewicz | 131-135 |