Schmid, Peter, Martin Kohler, Andreas C. Gerecke, Erika Gujer, Markus Zennegg, and Max Wolfensberger. 2003. “Old Sins Throw Long Shadows – Old and Emerging Persistent Organic Pollutants in the Swiss Environment”. CHIMIA 57 (9):509. https://doi.org/10.2533/000942903777678948.