02 "Ein Verfahren zur Ermittlung der optimalen Trimmlage eines Schiffes”
Detlefs, Hans. Mewis, Friedrich; Röpcke, Hans-Jürgen (1983), Schiffbauforschung 22, Nr. 1, 1983
42 “Fuel-and Cost-Savings by Hydrodynamic Measures”
Svardal, Jan. Mewis, Friedrich (2009), 2nd International Ship Efficiency Conference, Hamburg, September 2009, STG-Jahrbuch 103. Band, 2009, S. 180-184