APA:
Mais, Karl (1997). Geodetic survey of Postojna Caves in 1891 by J. Schmid.
Acta carsologica, volume 26, issue 2, str. 139-147.
URN:NBN:SI:DOC-0RO9IVEH from http://www.dlib.si
MLA:
Mais, Karl. "Geodetic survey of Postojna Caves in 1891 by J. Schmid."
Acta carsologica volume 26. issue 2 (1997) str. 139-147.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-0RO9IVEH>