1. Christoph Hiemcke. NACA 5312 in Ground Effect - Wind Tunnel and Panel Code Studies. AIAA-97-2320.
2. Christoph Hiemcke. Design of a Wing Section in Ground Effect: Application to High Speed Ground Transportation. Ph.D. Dissertation,Iowa State University, 1994. https://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=11477&context=rtd
3. Measurement of Aerofoil Characteristics by Method of Towing Model.