1. Maximum likelihood estimate of b in the formula logN=a-bM and its confidence limits;Aki;Bull. Earthq. Res. Inst.,1965
2. Ayele, A. , 1995. Earthquake catalogue of the Horn of Africa for the period 1960-93, Seism. Dept, Uppsala, Report, 3-95.
3. Geology of the eastern rift system of Africa;Baker;Geol. Soc. Am. Spec. Pap.,1972
4. Seismic energy mapping applied to Turkey;Båth;Tectonophysics,1982
5. Maximum likelihood estimation of b-values for magnitude grouped data;Bender;Bull. seism. Soc. Am.,1983