@article{ref1,
title="Low contrast and standard visual acuity under mesopic and photopic illumination",
journal="Journal of safety research",
year="1969",
author="Bloomquist, DW and Pain, RF and Forbes, Theodore Watson and Vanosdall, F. E.",
volume="1",
number="1",
pages="5-12",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0022-4375",
doi="",
url="http://dx.doi.org/"
}