1. Discrete-time Signal Processing;Oppenheim,1989
2. Two-dimensional Signal and Image Processing;Lim,1990
3. The quefrency analysis of time series for echoes: cepstrum, pseudo-autocovariance, cross-cepstrum, and saphe cracking;Bogert,1963
4. Restoration of old acoustic recordings by means of digital signal processing;Stockham,1977
5. Application of B&K Equipment to Frequency Analysis;Randall,1977