Recognition distances and understanding of legends on an experimental motorway signal
| 第一著者: | |
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| その他の著者: | |
| フォーマット: | 図書 |
| 言語: | English |
| 出版事項: |
Crowthorne, [Eng.]
Transport and Road Research Laboratory
1979.
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| シリーズ: | Supplementary report - Transport and Road Research Laboratory
500 |