Jamnik, Brigita, Primož Auersperger, Janko Urbanc, Karin Lah, and Joerg Prestor. 2009. “Pharmaceuticals As Indicators of Anthropogenic Influence on the Groundwater of Ljubljansko Polje and Ljubljansko Barje Aquifers”. Geologija 52 (2):241-48. https://doi.org/10.5474/geologija.2009.024.