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Research Papers
| Probability density distribution of instantaneous values of a speech signal in Polish | |
| Stefan P. BRACHMAŃSKI, Wojciech MAJEWSKI | 193-203 |
| Relation of ear protector attenuation to noise spectra and methods for its determination | |
| Danuta TRYNKOWSKA, Ryszard MICHALSKI | 205-219 |
| Sound radiation produced by a ship propeller | |
| Eugeniusz KOZACZKA | 221-243 |
| Ultrasonic transducers using radial vibrations of a piezoelectric disk | |
| Jerzy GOLANOWSKI, Tadeusz GUDRA | 245-255 |
| Investigation of the acoustic field distribution in piezoelectric transducers by the bragg diffraction method | |
| Zygmunt KLESZCZEWSKI | 257-270 |
| Ultrasonic wave propagation along the surface of a rod immersed in a liquid | |
| Leszek FILIPCZYŃSKI | 271-286 |