1. Noise control predictions for high speed, propeller-driven aircraft;Wilby,1980
2. Anti-sound;Ffowcs Williams,1984
3. Electronic sound absorber;Olson;Journal of the Acoustical Society of America,1953
4. Anti-noise—the Essex breakthrough;Chaplin;Chartered Mechanical Engineer,1983
5. Active control of noise in interior spaces;Warnaka,1983