@article{ref1,
title="Models of man in systems in retrospect and prospect",
journal="Ergonomics",
year="1974",
author="De Greene, K. B.",
volume="17",
number="4",
pages="437-446",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0014-0139",
doi="",
url="http://dx.doi.org/"
}