1. Barnes, F. H.; Baxendale, A. J.; Grant, I. 1986: A lock-in effect in the flow over two cylinders. Aeronaut. J. 90, 128–138
2. Bearman, P. W.; Wadcock, A. J. 1973: The interaction between a pair of circular cylinders normal to a stream. J. Fluid Mech. 61, 499–512
3. Biermann, D.; Herrnstein, W. H. 1933: The interference between struts in various combinations. NACA TR 468, 515–524
4. Hori, E. 1959: Experiments on flow around a pair of parallel circular cylinders. Proc. 9th Japan Nat. Congr. Appl. Mech., 231–234
5. Hunt, J. C. R. 1971: The effects of single buildings and structures. Philos. Trans. R. Soc. London, Ser. A 269, 457–467