@article{ref1,
title="Individuals and us",
journal="Human factors",
year="1966",
author="Christensen, J. M.",
volume="8",
number="1",
pages="1-6",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}