Tsourlos, P., G. Vargemezis, C. Voudouris, T. Spachos, and A. Stampolidis. 2007. “MONITORING RECYCLED WATER INJECTION INTO A CONFINED AQUIFER IN SINDOS (THESSALONIKI) USING ELECTRICAL RESISTIVITY TOMOGRAPHY (ERT): INSTALLATION AND PRELIMINARY RESULTS”. Bulletin of the Geological Society of Greece 40 (2):580-92. https://doi.org/10.12681/bgsg.16333.