1. E. Mosca,IEEE Trans. on IT,IT-13(1967), 131–134.
2. A.W. Rihaczek and R.M. Golden,IEEE Trans. on AES,AES-7(1971), 1087–1092.
3. S. Zoraster,IEEE Trans. on AES,AES-16(1980), 112–115.
4. R.S. Berkowitz, Modern Radar, John Wiley & Sons. 1965, New York, pp. 291–303.