1. Biermann D. and Herrnstein, W.H., 1933, The interference between struts in various combinations, national Advisory Committee for Aeronautics, Technical Report 468.
2. Blocken, B., et al, 2011, Numerical study of the interference drag of two cyclists, Proceedings of the 13th International Conference on Wind Engineering.
3. Broker, J.P., Kyle, C.R. and Burke, E.R., 1999, Racing cyclist power requirements in the 4000m individual and team pursuits, Medicine and Science in Sports and Exercise, 31(11).
4. Crouch, T.N., Sheridan, J., Burton, D., Thompson, M. and Brown, N.A. T., Dominant flow structures in the wake of a cyclist, Proceedings of the 30th AIAA Applied Aerodynamics Conference.
5. Hori, E., 1959, Experiments on flow around a pair of parallel circular cylinders, Proceedings 9th japan National Congress for Applied Mechanics, Tokyo, p 231-234.