Reinhard, Martin, John Montgomery-Brown, Jennifer S. Louie, and Birgit Gross. “From Effluent to New Water: Performance Evaluation and Quality Assurance”. CHIMIA 57, no. 9 (September 1, 2003): 561. Accessed May 4, 2024. https://www.chimia.ch/chimia/article/view/2003_561.