DRIPS - a DSS for estimating the input quantity of pesticides for German river basins. - Björn Röpke; Martin Bach; Hans-Georg Frede (Environ. Model. Softw., 2004)

CMF: A Hydrological Programming Language Extension For Integrated Catchment Models. - Philipp Kraft; Kellie B. Vaché; Hans-Georg Frede; Lutz Breuer (Environ. Model. Softw., 2011)

Set Up of an Automatic Water Quality Sampling System in Irrigation Agriculture. - Emanuel Heinz; Philipp Kraft; Caroline Buchen; Hans-Georg Frede; Eugenio Aquino; Lutz Breuer (Sensors, 2014)