@article{ref1,
title="Practical problems of defective colour vision",
journal="Practitioner",
year="1975",
author="Taylor, W. O.",
volume="214",
number="1283",
pages="654-660",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0032-6518",
doi="",
url="http://dx.doi.org/"
}