URN:NBN:SI:DOC-PWHJ5C7Y1910Perko, Ivan Andrejdocuments/doc/P/URN_NBN_SI_doc-PWHJ5C7Y_001.pdfdocuments/doc/P/URN_NBN_SI_doc-PWHJ5C7Y_001.txtdocuments/doc/P/URN_NBN_SI_doc-PWHJ5C7Y_001.xml78 str., 1 zganj. f. pril., 28 cm85482240URN:NBN:SI:doc-PWHJ5C7YgerPostojnska jamaKomitee für den Bau eines internationalen Museums für Höhlenkunde in AdelsbergknjigePDMkraške jame