Conspicuity of steady and flashing light signals: variation of contrast (Q73207056)
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scientific article published on 01 July 1953
Language | Label | Description | Also known as |
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English | Conspicuity of steady and flashing light signals: variation of contrast |
scientific article published on 01 July 1953 |
Statements
Conspicuity of steady and flashing light signals: variation of contrast (English)