Knez, M., Slabe, T. and Šebela, S. 2016. Karstification of the Aquifer Discovered During the Construction of the Expressway Between Klanec and Črni Kal, Classical Karst. Acta Carsologica. 33, 1 (May 2016). DOI:https://doi.org/10.3986/ac.v33i1.324.