1. Multiple emitter location and signal parameter estimation;Schmidt;IEEE Trans. AP,1986
2. S.M. Kay, Modern Spectrum Estimation: Theory and Application (Prentice Hall, Englewood Cliffs, NJ).
3. Adaptive array processing, a tutorial;Griffiths,1983
4. Adaptive airborne MTI an auxiliary channel approach;Klemn,1987
5. B. Widrow, Adaptive Signal Processing (Prentice-Hall, Englewood Cliffs, NJ).