Merriam, D. F. External Organizations;
Förster, Andrea 4.1 Reservoir Technologies, 4.0 Chemistry and Material Cycles, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
Merriam, D. F., Förster, A. (1998): Paleoearthquakes and late Paleozoic recurrent structural movement in the Midcontinent (USA): stratigraphic and sedimentological evidence, Annual Meeting Geological Society of America (Toronto Canada 1998).