Pikridas, C., S. Bitharis, A. Fotiou, D. Rossikopoulos, S. Katsougiannopoulos, K. Spanakaki, and I. Karolos. 2016. “MONITORING SEISMIC DISPLACEMENTS USING GNSS DATA WITH PPP METHOD”. Bulletin of the Geological Society of Greece 50 (3):1563-69. https://doi.org/10.12681/bgsg.11870.