TY - JOUR A1 - Öncel, A. O. A1 - Alptekin, Ö. A1 - Main, I. T1 - Temporal variations of the fractal properties of seismicity in the western part of the north Anatolian fault zone: possible artifacts due to improvements in station coverage JO - Nonlin. Processes Geophys. J1 - NPG VL - 2 IS - 3/4 SP - 147 EP - 157 Y1 - 1999/11/30 PB - Copernicus Publications SN - 1607-7946 UR - http://www.nonlin-processes-geophys.net/2/147/1995/ L1 - http://www.nonlin-processes-geophys.net/2/147/1995/npg-2-147-1995.pdf DO - 10.5194/npg-2-147-1995 ER -