Zupan Hajna, Nadja; Mihevc, Andrej; GostinäAr, Petra (Eds.)
Zupan Hajna, Nadja; Mihevc, Andrej; GostinÄar, Petra
23rd international karstological school "classical karst". Caves - exploration and studies combined with the 50th anniversary of the international union of speleology - uis
23rd International Karstological School "Classical Karst", Postojna, June 15th to 21st 2015
Caves - exploration and studies combined with the 50th anniversary of the International Union of Speleology - UIS : program & excursions & UIS & abstracts