1. Boer, E. de, Kuyper, P.: Triggered correlation. IEEE BME-15, 169–179 (1968).
2. MIT Res. Lab. Elec. Technical Report 216;J. J. Bussgang,1952
3. Jespers, P., Chu, P. T., Fettweis, A.: A new method for computing correlation functions. Bell Telephone Mfg Co S. A. Antwerpen-Belgium, 1962. For a summary of this paper, see IRE Trans. Information Theory IT-8, 106–107 (1962).
4. Papoulis, A.: The Fourier integral and its applications. New York: McGraw-Hill Book Co., Inc. 1962.
5. Thesis;J. B. H. Peek,1967