Recognition distances and understanding of legends on an experimental motorway signal
| Главный автор: | |
|---|---|
| Другие авторы: | |
| Формат: |  | 
| Язык: | English | 
| Опубликовано: | Crowthorne, [Eng.]
          Transport and Road Research Laboratory
    
        1979. | 
| Серии: | Supplementary report - Transport and Road Research Laboratory
              500 |