Τσουκαλάς Ν., and Παπαδοπούλου - Βρυνιώτη Κ. 2018. “THE KARST IN ANO VLASSIA ACHAIA (GREECE) AND THE CONTRIBUTION OF OLONOS -PINDOS GEOTECTONIC UNIT ON ITS FORMATION”. Bulletin of the Geological Society of Greece 36 (2):1068-76. https://doi.org/10.12681/bgsg.16910.