Athanasiadis, K., Petter, C., Hilliges, R., Helmreich, B., Wilderer, P.A..Metal Ion Exchange Process by Natural and Modified Clinoptilolite.Jahrestagung der Wasserchemischen Gesellschaft – Fachgruppe in der Gesellschaft Deutscher Chemiker.26.-28.05.2003.2003

Lebuhn, M., Effenberger, M., Garcés, G., Gronauer, A., Wilderer, P.A..Evaluating Real-Time PCR for the Quantification of Distinct Pathogens and Indicator Organisms in Environmental Samples..77-78.Int. Symp. on Health-Related Water Microbiology (IWA, WHO).14.-19.09.2003.2003

Lebuhn, M., Garcés, G., Wilderer, P.A., Effenberger, M., Gronauer, A..Specific quantification of pathogenic and indicator organisms in digester samples using quantitative Real-Time PCR (qPCR)..567-568.2. International Symposium on ecological sanitation, ecosan - closing the loop.07.-11.04.2003.2003

Wichern, M., Wilderer, P.A..Stand der Simulationstechnik auf Kläranlagen.Kolloquium der Universität Darmstadt.Institut für Wasserversorgung, Abwassertechnik, Abfalltechnik und Umwelt und Raumplanung (WAR) .2003

Wichern, M., Wilderer, P.A..Grundlagen anaerober Modellierung.Kolloquium der Wassergüte und Abfallwirtschaft, Lehrstuhl für Wassergüte und Abfallwirtschaft.04.02.2003.2003

Weber-Blaschke, G., Painter, G., Molnar, T., Michos, N., Faulstich, M. .Indicator Systems for Sustainable Development in Germany, Hungary, Greece and the United States – A Comparison.470-482.9th International Sustainable Development Research Conference.24.-25.03.2003.2003

Meyer, S., Wilderer, P.A..Reject Water: Treating of Process Water in Large Wastewater Treatment Plants in Germany – A Case Study.6th IWA Specialty Symposium on Strong Nitrogenous and Agro Wastewater.11.-13.06.2013.2003

Lindenblatt, C., Wichern, M..Wastewater treatment for the second use in rural touristic regions.Second International Workshop on Cultural Impact on Technology Development in European and Islamic Countries.30.11.-02.12.2003.2003

Lebuhn, M., Garcés, G., Wilderer, P.A., Effenberger, M., Gronauer, A..Specific quantification of pathogenic and indicator organisms in digester samples using quantitative Real-Time PCR (qPCR)..2. International Symposium on ecological sanitation, ecosan - closing the loop.07.-11.04.2003.2003

Kötzle, T., Merkl, G., Wilderer, P.A..Implementation of backwash water reuse in a groundwater treatment plant – A case study.Efficient Use and Management of Urban Water Supply.2003