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2. Some cross correlation properties for distorted signals;Brown;IEEE Trans. Inf. Theory,1975
3. Fourier Transforms;Goldberg;Cambridge University Press, Cambridge Tract 52,1961
4. Theory and application of the separable class of random processes;Nuttall;MIT Research Lab. of Electronics, Tech. Rept. 343,1958
5. Stochastic Processes in Information and Dynamical Systems;Wong,1971