@article{ref1,
title="Effects of lighting and background with common signal lights on human peripheral color vision",
journal="Human factors",
year="1970",
author="Colton, G. M. and Dudek, R. A.",
volume="12",
number="4",
pages="401-407",
abstract="Abstract unavailable.",
language="",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}