Musolff, A., Leschik, S., Reinstorf, F., Strauch, G., Krieg, R., Schafmeister, M. T., & Schirmer, M. (2009). Statistical methods to evaluate the impact of xenobiotics on urban receiving waters (p. (7 pp.). Presented at the International conference on xenobiotics in the urban water cycle (Xenowac 2009). .