1. Calculation of the probability of overturning of double deck buses on the new Redheugh Bridge, Newcastle;Baker;Nottingham University Department of Civil Engineering Report,1984
2. Cross wind effects and the dynamics of light cars;Kobayashi,1983
3. Road Vehicle Aerodynamics;Scibor-Rylski,1975
4. The wet road grip of lorry tyres — a comparison of three types;Williams;TRRL Report LR 544,1973
5. T. Williams, private communication, TRRL, 1984