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Research Papers
| The location of the ground focus line produced by a supersonic aircraft | |
| Rufin MAKAREWICZ | 167-176 |
| Measurement of the viscoelastic constants of the cellulose used for a loudspeaker membrane and their effect upon the electro-acoustic parameters of the loudspeaker | |
| Andrzej DOBRUCKI, Czesław Adam ROSZKOWSKI | 177-188 |
| On the evaluation of the pressure coefficient of the surface tension of liquids by measurements of the velocity of ultrasonic waves | |
| Eugeniusz SOCZKIEWICZ | 189-196 |
| Transversal bleustein-gulayev (B.G.) surface waves on a piezoelectric ceramic | |
| Wincenty PAJEWSKI | 197-206 |
| Investigations of the hydration of polyethyleneglycols using an acoustic method | |
| Adam JUSZKIEWICZ, Jadwiga POTACZEK | 207-212 |
| An acoustic method for the determination of dispersivecomposition of organic suspensions | |
| Stanisław SZYMA | 213-224 |
Technical Notes
| Attempts at the ultrasonic visualization of the heart in real time | |
| Leszek FILIPCZYŃSKI, Jan SAŁKOWSKI | 225-230 |
Chronicle
| VI Winter School of molecular, quantum acoustics and hydroacoustics and ultrasounds | |
| M. M. DOBRZAŃSKI | 231-232 |