1. (1) M. Sekine: Radar Signal Processing Techniques, The Institute of Electronics, Information and Communication Engineers, Tokyo, Japan (1991) (in Japanese)
2. (2) D. K. Barton: Radar Clutter, Artech House, Dedham (1975)
3. (3) J. Croney: “Clutter on radar displays”, Wireless Eng., Vol. 33, pp. 83-96 (1956)
4. (4) H. Akaike: “Information theory and an extention of the maximum likelihood principle”, in 2nd International Symposium on Information Theory, B. N. Petrov and F. Csaki, Eds., pp. 267-281, Akademiai Kiado, Budapest (1973)