1. Motoring and the Older Driver,1988
2. Design functions: some examples on how not to design signs;Andre;Ergonomics in Design,1994
3. Informational aspects of car design: Navigation;Antin,1993
4. Visibility distance of highway signs among young, middle-aged, and older observers: Icons are better than text;Babbitt-Kline;Human Factors,1990
5. Route Choice: Wayfinding in Transportation Networks;Bovy,1990