1. Berk, K. N.: 1974, Ann. Statistics
2, 489.
2. Burg, J. P.: 1975, ‘Maximum Entropy Spectral Analysis’, Ph.D. Thesis, Stanford University, Palo Alto, Calif.
3. Chen, W. Y. and Stegen, G. R.: 1974, J. Geophys. Res.
79, 3019.
4. Fougere, P. F.: 1977, J. Geophys. Res.
82, 1051.
5. Kovács, G.: 1981, Astrophys. Space Sci.
78, 175.