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- [2] NOISE-REDUCTION OF CENTRIFUGES FETT WISSENSCHAFT TECHNOLOGIE-FAT SCIENCE TECHNOLOGY, 1987, 89 (13): : 556 - 559
- [6] NOISE-REDUCTION AT AIRPORTS PROCEEDINGS OF THE INSTITUTION OF CIVIL ENGINEERS PART 1-DESIGN AND CONSTRUCTION, 1974, 56 (NOV): : 613 - 614