1. Nikolaides C. 1984 A study of the coherent structures in the viscous wall region. Ph.D. thesis, University of Illinois, Urbana.
2. Willmarth, W. W. & Bogar T. J. 1977 Survey and new measurements of turbulent structure near the wall.Phys. Fluids Suppl. 20,S9–S21.
3. Lu, S. S. & Willmarth W. W. 1973 Measurements of the structure of the Reynolds stress in a turbulent boundary layer.J. Fluid Mech. 60,481–511.
4. Zilberman M. , Wygnanski, I. & Kaplan R. E. 1977 Transitional boundary layer spot in a fully turbulent environment.Phys. Fluids Suppl. 20,S258–S271.
5. Loève M. 1955 Probability Theory .Van Nostrand.