1. Achenbach E. (1972) Experiments on the flow past spheres at very high Reynolds numbers. J. Fluid Mech. 54, 565.
2. Asai T., Seo K., Kobayashi O., Ajiki M. And Shiozawa S. (2005) A fundamental study on aerodynamics of soccer ball. Proc. of 83 th Japan Soc. of Mech. Eng. Conference (Fluid engineering division), CD-ROM.
3. Aoki K., Nonaka, M., Goto T., Miyamoto M. and Sugiura M. (2004) Effect of the dimple structure on the flying characteristics and flow patterns of a golf ball. 5 th Int. Conf. on the Engineering of Sport 1, 49.
4. Barber S. and Carré M.J. (2005) Understanding the effects of surface geometry on sports ball aerodynamics. Asia-Pacific Congress on Sports Technology, 221–226.
5. Barber S. and Carré M.J. (2005) The aerodynamics of soccer balls. Fluent User Group Meeting, 77–90.