1. J. Gray, Ciliary Movement (Cambridge University Press, Cambridge, UK, 1928).
2. C. Brennen, H. Winet, Ann. Rev. Fluid Mech. 9, 339 (1977).
3. M.A. Sleigh (Editor), Cilia and Flagella (Academic Press, London, 1974).
4. B.A. Afzelius, Int. J. Dev. Biol. 43, 283 (1999).
5. N. Hirokawa, Y. Tanaka, Y. Okada et al., Cell 125, 33 (2006).