1. Metcalfe, R. W. , Orszag, S. A. , Brachet, M. I. , Menon, S. & Riley, J. J. 1987 Secondary instability of a temporally growing mixing layer.J. Fluid Mech. 184,207–243.
2. Monkewitz, P. A. & Nguyen, L. 1987 Absolute instability in the near wake of two-dimensional bluff bodies.J. Fluids Struct. 1,165–182.
3. Hammache, M. & Gharib, M. 1989 A novel method to promote parallel vortex shedding in the wake of circular cylinder.Phys. Fluids A1,1611–1614.
4. Orszag, S. A. & Patera, A. T. 1983 Secondary instability of wall-bounded shear flows.J. Fluid Mech. 128,347–385.
5. Hanneman, K. & Oertel, H. 1989 Numerical simulation of the absolutely and convectively unstable wake.J. Fluid Mech. 199,55–88.