URN:NBN:SI:DOC-S6E5UF9E2020Ballinger, ChristineShaw, Trevor R.documents/doc/S/URN_NBN_SI_doc-S6E5UF9E_001.pdfdocuments/doc/S/URN_NBN_SI_doc-S6E5UF9E_001.txt1 spletni vir (1 datoteka PDF (340 str.))17012995978-961-05-0444-3URN:NBN:SI:doc-S6E5UF9EengZaložba ZRCknjigeBYBiografski leksikonikras (geologija)Krasoslovjekraške jamespeleologijazgodovinaA biographical bibliographyexplorers, scientists & visitors in the world's karst 852 bc to the present