[1]
ΠΑΠΑΔΟΠΟΥΛΟΥ ΒΡΥΝΙΩΤΗ Κ. and ΜΠΕΛΛΟΣ Θ., “Geomorphological observation in karst landforms in the mountains of Parnassos - Helikon - Giona (Greece)”, geosociety, vol. 34, no. 1, pp. 439–442, Jan. 2001.