1. 1963;Blomgren;Effect of exposure to a safety poster on the frequency of turn signalling. Traffic Safety Research Review,1941
2. 1961;Brown;Measuring the ‘spare mental capacity’ of car drivers by a subsidiary task. Ergonomics,1941
3. 1970;Brown;Effects of prolonged driving on overtaking criteria. Ergonomics,1941
4. 1972;Brown;Psychophysiological measures of drivers under actual driving conditions. Journal of Safety Research,1941
5. Häkkinen, S., 1965. Perception of highway traffic signs. Reports from Talja, No. 1, Helsinki.