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1989
EFFECTS OF LIGHT SOURCES ON HIGHWAY SIGN COLOR RECOGNITION

Transportation Research Record, Issue 1213, p. 27-34

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1972-08
TUNNEL AND UNDERPASS LIGHTING PRACTICE IN USA

Highway Research Circular, Issue 137, pp 44-47

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1958
LIGHTING THE CONNECTICUT TURNPIKE

Highway Research Board Bulletin, Issue 191, 1p

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1958
FIELD TEST OF ROADWAY LIGHTING

Highway Research Board Bulletin, Issue 191, 1p

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1957
SOME NIGHT VIEWS OF A HIGHWAY LIGHTING TEST INSTALLATION

Highway Research Board Bulletin, Issue 163, 4p

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