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Research Papers
| The acoustics of the early-Christian monuments of thessaloniki | |
| Emmanuel G. TZEKAKIS | 3-12 |
| Problems in recordings for listening evaluation of the quality of violins | |
| Andrzej SASIN, Antoni KARUŻAS, Tomasz ŁĘTOWSKI | 13-22 |
| Averaging the frequency of the larynx tone in the correlation method of its estimation using the technique of linear prediction | |
| Andrzej DZIURNIKOWSKI | 23-44 |
| Detectability of small blood vessels and flat boundaries of soft tissues in the ultrasonic pulse echo method | |
| L. FILIPCZYŃSKI | 46-56 |
| Propagation of acoustic wave along a hollow cylinder immersed in a liquid | |
| Anna GRABOWSKA | 57-62 |
| The depth of penetration of the electric field induced by a surface acoustic wave in a piezoelectric semiconductor system | |
| Zenon CEROWSKI | 63-68 |
| The effect of FeCI3 on changes in the rheological properties of glycerol determined by an acoustic method | |
| Marek WACIŃSKI, Ryszard PŁOWIEC | 69-78 |
| A programmed parametric synthesizer | |
| Ryszard PATRYN | 79-84 |
Chronicle
| 1st Spring School of Acousto-Optics and its Applications Gdańsk–Wieiyea 26–30 May 1980 | |
| Antoni ŚLIWIŃSKI | 85-86 |