@article{ref1,
title="The color rator: a new instrument for the assessment of color aptitude in industry",
journal="American journal of optometry and archives of American Academy of Optometry",
year="1959",
author="Kirschen, M.",
volume="36",
number="3",
pages="137-143",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9408",
doi="",
url="http://dx.doi.org/"
}