Παναγόπουλος A., Δρακοπούλου E., and Περλέρος V. “APPLICATION OF THE MATHEMATICAL MODEL MODFLOW ON A KARSTIC AQUIFER: THE CASE OF VIOTIKOS KIFISOS BASIN”. Bulletin of the Geological Society of Greece, vol. 36, no. 4, Jan. 2004, pp. 2021-30, doi:10.12681/bgsg.16701.