@article{ref1,
title="Opinion: Is human colour perception really only trichromatic?",
journal="Lighting research and technology",
year="2011",
author="Schanda, J.",
volume="43",
number="1",
pages="6-6",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1477-1535",
doi="10.1177/1477153511399979",
url="http://dx.doi.org/10.1177/1477153511399979"
}