Suter, Marc J.F., and Walter Giger. “Trace Determinations of Emerging Water Pollutants: Endocrine Disruptors, Pharmaceuticals, and Specialty Chemicals: Focal Point: Environmental Analytical Chemistry : ILMAC Congress: October 13, 1999”. CHIMIA, vol. 54, no. 1-2, Feb. 2000, p. 13, https://www.chimia.ch/chimia/article/view/2000_013.