1. Adamopoulos, L., 1973, Statistical analysis of earthquake data: unpubl. doctoral dissertation, Univ. Durham, p. 1?102.
2. Adamopoulos, L., 1975, Some counting and interval properties of the mutually exciting processes: Jour. Appl. Prob., v. 12, no. 1, p. 78?86.
3. Bartlett, M. S., 1963, The spectral analysis of point processes: Jour. Roy. Stat. Soc., Ser. B, v. 25, no. 2, p. 264?296.
4. Cox, D. R., and Lewis, P. A. W., 1966, The statistical analysis of series of events: Methuen, London, 285 p.
5. Edwards, A. W. F., 1972, Likelihood: Cambridge Univ. Press, 235 p.