Marotta, A. M. External Organizations;
Bayer, Ulf 4.3 Organic Geochemistry, 4.0 Chemistry and Material Cycles, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
Marotta, A. M., Bayer, U. (1999): A 2-d flexural model for crustal deformation below the NE-German basin, European Union of Geosciences (EUG 10) (Strasbourg 1999) (Strasbourg).