1. Image method for efficiently simulating small-room acoustics;Allen;J. Acoust. Soc. Amer.,1979
2. Bitzer, J., Simmer, K., Kammeyer, K., 1998. Multichannel noise reduction – algorithms and theoretical limits. In: Proc. European Signal Processing Conf. (EUSIPCO), Vol. I, Rhodes, Greece, pp. 105–108.
3. Bitzer, J., Kammeyer, K.-D., Simmer, K., 1999. An alternative implementation of the superdirective beamformer. In: IEEE Workshop on Application of Signal Processing to Audio and Acoustics, New Paltz, New York, USA.
4. Theoretical noise reduction limits of the generalized sidelobe canceller (GSC) for speech enhancement;Bitzer,1999
5. Acoustic noise analysis and speech enhancement techniques for mobile radio application;Dal-Degan;Signal Process.,1988