D. A. Vamvakaris, C. B. Papazachos, E. E. Karagianni, E. M. Scordilis, and P. M. Chatzidimitriou, “DETERMINATION OF FAULT PLANE SOLUTIONS USING WAVEFORM AMPLITUDES AND RADIATION PATTERN”, geosociety, vol. 36, no. 3, pp. 1529–1538, Jan. 2004.