URN:NBN:SI:doc-1HQP6K271984Novak, Dušandocuments/doc/1/URN_NBN_SI_doc-1HQP6K27_001.pdfdocuments/doc/1/URN_NBN_SI_doc-1HQP6K27_001.txt1284articlestr. 5660350-434410513197URN:NBN:SI:doc-1HQP6K27slvPlaninska zveza SlovenijePlaninski vestnikInCcongresseskongresispeleologijaspeleology