CIE Standard S 004/E-2001. Colours of light signals == Couleurs des signaux lumineux = Farben von Signallichtern /
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| Format: | Book |
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Vienna:
Commission Internationale de l'Eclairage,
2001
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| Physical Description: | iv, 14 p. : fig. ; 30 cm. |
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| Bibliography: | Includes bibliography. |