1. Die Drehströmungüber festern Grund;Bödewadt;Z. Angew. Math. Mech.,1940
2. Organized motion in turbulent flow;Cantwell;Annu. Rev. Fluid Mech.,1981
3. A general classification of three-dimensional flow field;Chong;Phys. Fluids,1990
4. Eddies, stream and convergence zones in turbulent flows;Hunt;Center for Turbulence Research Report CTR-S88,1988
5. Coherent structures and turbulence;Hussain;J. Fluid Mech.,1986