1. Bouferrouk A (2014) On the applicability of trapped vortices to ground vehicles. International vehicle aerodynamics conference, Loughborough, UK, 14–15 Oct
2. Breidenbach TD (2010) Aerodynamic drag reducing apparatus. US Patent 7784854 B2, 31 Aug
3. Bruneat CH, Cresue E, Depeyras D, Gillieron P, Mortazavi I (2012) Active and passive flow control around simplified ground vehicles. J Appl Fluid Mech 5:89–93
4. Campbell R (2012) Vehicle drag reducer. US Patent 8196996 B1, 12 June
5. Diebler C, Smith M (2002) A ground-based research vehicle for base studies at subsonic speeds. NASA/TM-2002-210737, Nov 2002