1. The time tunnel — an historical survey of automotive aerodynamics;Ludvigsen;Soc. Automot. Eng. (Detroit), SAE 700035,1970
2. Aerodynamik des Kraftfahrzeugs;Koenig-Fachsenfeld,1951
3. The optimization of body details — a method for reducing the aerodynamic drag of road vehicles;Hucho;Soc. Automot. Eng. (Detroit), SAE 760185,1976
4. Necessity and premises for reducing the aerodynamic drag of future passenger cars;Bucheim;Soc. Automot. Eng. (Detroit), SAE 810185,1981