@article{ref1,
title="Human factors in man-machine systems",
journal="Human factors",
year="1959",
author="Bamford, HEJ",
volume="1",
number="4",
pages="55-59",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}