1. Andrews, D.J., 1986. Objective determination of source parameters and similarity of earthquakes of different size. In: Das, S., Boatwright, J., Scholz, C.H. (Eds.), Earthquake Source Mechanism. Geophysical Monograph 37, Maurice Ewing, 6, Geophys. Un., Washington, DC, pp. 259–267.
2. Fault mechanisms and tectonic implication of 1985-1987 earthquake sequence in southwestern Ethiopia;Ayele;J. Seismol.,1997
3. Reassessment of source parameters for three major earthquakes in the East African rift system from historical seismograms and bulletins;Ayele;Ann. Geofis.,2000
4. Barth, A., Wenzel, F., 2006. The stress field in eastern Africa deduced from new focal mechanisms. EOS Tras. AGU, 87(52), Fall Meet Suppl., Abstract S31B-0209.
5. A spectral theory for circular seismic sources; simple estimates of source dimension, dynamic stress drop, and radiated seismic energy;Boatwright;Bull. Seism. Soc. Am.,1980