1. Possibilities and limitations in applying geoelectrical methods to hydrogeological problems in the coastal areas of North-west Germany;Flathe;Geophys. Prospect.,1955
2. A practical method of calculating geoelectrical model graphs for horizontally stratified media;Flathe;Geophys. Prospect.,1955
3. Geoelectrical investigations on clay deposits in Western Germany;Flathe;Geophys. Surv. Min., Hydrogeol. Eng. Proj.,1958
4. Five-layer master curves for the hydrogeological interpretation of geoelectrical resistivity measurements above a two-storey aquifer;Flathe;Geophys. Prospect.,1963
5. New ways for interpretation of geoelectrical resistivity measurements in the search for and delimentation of aquifers;Flathe;Bull. IASH,1964