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- [34] HARMONIC NOISE-REDUCTION 75TH ANNUAL MEETING, TECHNICAL SECTION, CANADIAN PULP AND PAPER ASSOCIATION, PREPRINTS A & B, 1989, : B105 - B108
- [37] NOISE-REDUCTION BY BARRIERS JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 1974, 55 (03): : 504 - 518
- [40] Cathode-ray oscillograph with Lenard window REVIEW OF SCIENTIFIC INSTRUMENTS, 1930, 1 (09): : 507 - 511