Proceedings of the 7. International Congress on Acoustics. Budapest, 18-26. Aug. 1971. Sections M-P-U: Physical acoustics - International Congress on Acoustics 2. (Budapest, 1971)
Proceedings of the 7. International Congress on Acoustics. Budapest, 18-26. Aug. 1971. Sections M-P-U: Physical acoustics - International Congress on Acoustics 2. (Budapest, 1971)