Tsourlos, P., G. Vargemezis, C. Voudouris, T. Spachos, and A. Stampolidis. “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, vol. 40, no. 2, Jan. 2007, pp. 580-92, doi:10.12681/bgsg.16333.