@article{ref1,
title="How does color blindness affect color differentiation in occupations related to transportation?",
journal="Ganka",
year="1966",
author="Ichikawa, H.",
volume="8",
number="1",
pages="8-14",
abstract="<p>[Abstract unavailable]</p> <p>Language: ja</p>",
language="ja",
issn="0016-4488",
doi="",
url="http://dx.doi.org/"
}