1. E. Achenbach, Experiments on the flow past spheres at very high Reynolds number, Journal of Fluid Mechanics, 54, pages 565–575, 1972.
2. E. Achenbach, Vortex shedding from spheres, Journal of Fluid Mechanics, 62, pages 209–221, 1974a.
3. E. Achenbach, The effects of surface roughness and tunnel blockage on the flow past spheres. Journal of Fluid Mechanics, 65, pages 113–125, 1974b.
4. F. Alam, A. Subic & S. Watkins, An experimental study on the aerodynamic drag of a series of tennis balls, In Proceedings of the International Congress on Sports Dynamics: sports Dynamics-Discovery and Application, pages 295–300, 1–3 September, Melbourne, Australia, 2003.
5. F. Alam, A. Subic & S. Watkins, Effects of spin on aerodynamic properties of tennis balls, In The Engineering of Sport 5 (Hubbard M., Mehta, R.D. and Pallis, J.M., eds). Proceedings of the 5th International Sports Engineering Association Conference, Davis, California, USA, Vol 1, pages 83–89, 2004.