1. (1) Sen M. Kuo and Dennis R. Morgan, ”Adaptive Noise Control Systems-Algorithms and DSP Implementations”, John Wiley and Sons, New York, NY (1996)
2. (2) J.S. Lamancusa, ”An Actively Tuned, Passive Muffler System for Engine Silencing”, Proceedings of Noise-Con 87, 313-318 (1987).
3. (3) E. Little, A. Kashani, J. Kohler and F. Morrison, “Tuning of an Electrorheological Fluid-Based Intelligent Helmholtz Resonator as Applied to Hydraulic Engine Mounts”, ASME DSC Transportation Systems. 54, DE-Vol. 76, 43-51 (1994).
4. (4) G. Koopman and W. Neise, ”The Use of Resonators to Silence Centrifugal Blowers”, Journal of Sound and Vibration, 82, 17-27 (1982).
5. (5) B.E. Walker, A.S. Hersh, L.J. Heidelberg, D.L. Sutliff and M.E. Spencer, ”Active Resonators for Control of Multiple Spinning Modes in an Axial Flow Fan Inlet”, AIAA paper 99-1853, Proceedings of the 5th AIAA/CEAS Aeroacoustic conference. 339-348 (1999).