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[2] V. N. Botněv: Autocorrelation reception of pseudonoise signals. (in Russian). Radiotechn. (USSR) 50 (1975), 6, 69-73.

[3] R. B. Ward, K. P. Yiu: Acquisition of pseudonoise signals by recursion-aided sequential estimation. IEEE Trans. Comm. COM-25 (1977), 8, 784-794. Zbl 0362.94005

[4] J. A. Ponnusamy, M. D. Srinath: Acquisition of pseudonoise codes in FH systems. IEEE Trans. Aerospace Electron. Systems AES-17 (1981), 3, 335 - 341.