Lio, A., Üçer, B., Barış, S., Nakamura, A., Honkura, Y., Kono, T., Hori, S., Hasegawa, A., Pektas, R., Işıkara, A.M., “Aftershock Activity of the 1999 İzmit, Turkey, Earthquake Revealed from Microearthquake Observations”, Bulletin of the Seismological Society of America, 92, 1, 418-427, 2002.