Kranjc, A. “Quo Vadis Commission ‘Karst’ (Chair’s Report and Reflexions at the 31st International Congress of IGU, Tunis, August 12 – 15, 2008)”. Acta Carsologica, vol. 37, no. 2-3, Dec. 2008, doi:10.3986/ac.v37i2-3.523.