@article{ref1,
title="Yellow signal light timing and the dilemma zone",
journal="Journal of the American Optometric Association",
year="1995",
author="Allen, Merrill J.",
volume="66",
number="2",
pages="77-78",
abstract="Abstract unavailable.",
language="",
issn="0003-0244",
doi="",
url="http://dx.doi.org/"
}