Jeong, J. and F. Hussan (1995): On the identification of a vortex, J. Fluid Mech., Vol.285, pp.69-94.
Niedoroda, A. W. and C. Dalton (1982): A review of the fluid mechanics of ocean scour, Ocean Engng., Vol.9, No.2, pp.159-170.
Sumer, B. M., N. Christiansen and J. Fredsoe (1997): The horseshoe vortex and vortex shedding around a vertical wall-mounted cylinder exposed to waves, J. Fluid Mech., Vol.332, pp.41-70.
Sumer, B. M. and J. Fredsoe (2002): The mechanics of scour in the marine environment, World Scientific Co. Pte. Ltd. p.536.