Kladnik, Drago, Irena Rejec Brancelj, in Aleš Smrekar. 2004. „Dung Installations As Dangerous Point Sources Burdening the Groundwater of Ljubljansko Polje“. Acta Geographica Slovenica 43 (2). Ljubljana, Slovenija:121-39. https://doi.org/10.3986/AGS43204.