References
- Dymock , E . 1991 . “Car navigational systems could slash fuel costs” . The Sunday Times , 27th January
- Jones , P . 1989 . “The restraint of road traffic in urban areas: objectives, options and experiences” . Rees Jeffreys Discussion Paper No. 3
- Stokes , G , Pickup , L , Meadowcroft , S , Kenny , F and Goodwin , P . 1990 . Bus Deregulation: The Metropolitican Experience , London : AMA .
- EURONETT Consortium . 1990 . “Evaluating user responses on new Europrean transport technogies: a summary of the state of the art” . EURONETT Deliverable 1A ,