Breg, Mateja, Drago Kladnik, and Aleš Smrekar. 2007. “Dumping Sites in the Ljubljansko Polje Water Protection Area, the Primary Source of Ljubljana’s Drinking Water”. Acta Geographica Slovenica 47 (1). Ljubljana, Slovenija:73–103. https://doi.org/10.3986/AGS47104.