@article{ref1,
title="Confusing traffic signals",
journal="Science",
year="1925",
author="Aikins, H. A.",
volume="61",
number="1582",
pages="442-444",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0036-8075",
doi="10.1126/science.61.1582.442-a",
url="http://dx.doi.org/10.1126/science.61.1582.442-a"
}