References

1. Inclusion of this effect was done at the suggestion of our referee. first citation in article
   
2. K. Newton et al., The Motor Vehicle, 10th ed. (Butterworth, 1983), p. 48. first citation in article
   
3. J. Fenton, Handbook of Vehicle Design Analysis (Mechanical Engineering Publications, London, 1996), p. 580. first citation in article
   
4. http://www.goshen.edu/physics/horsepower/index.html. first citation in article
   
5. R.H. Barnard, Road Vehicle Aerodynamic Design, (Longman, Essex, 1996), p. 21. first citation in article
   
6. http://www.pumaracing.co.uk/power3.htm. first citation in article
   

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