@article{ref1,
title="Vision at levels of night road illumination II. Literature 1952-1956",
journal="Highway Research Board bulletin",
year="1957",
author="Richards, Oscar W.",
volume="146",
number="",
pages="58-66",
abstract="A literature review is presented of information on levels of night road illumination in the following categories: Dark adaptation, glare, colored light, night myopia, visual acuity, and night driving vision.<p />",
language="",
issn="0073-2206",
doi="",
url="http://dx.doi.org/"
}