1. Chen DC (1997) Subjective and objective handling behaviour, PhD. Thesis, University of Leeds, England
2. Ash HAS (2002) Correlation of subjective and objective handling of vehicle behaviour, PhD thesis, University of Leeds, England
3. Chabrier E, Ramaen C (2003) Vehicle behaviour in all-terrain conditions, analysis methods and driver training, ISTVS, 9th European Conference, Harper Adams, UK