Schopfer, Adrien, Nicolas Estoppey, Julien Omlin, Robin Udrisard, Pierre Esseiva, and Luiz Felippe de Alencastro. “The Use of Passive Samplers to Reveal Industrial and Agricultural Pollution Trends in Swiss Rivers”. CHIMIA 68, no. 11 (November 26, 2014): 778. Accessed May 4, 2024. https://www.chimia.ch/chimia/article/view/2014_778.