@article{ref1,
title="'Actions not as planned' in military air-traffic control",
journal="Ergonomics",
year="1985",
author="Langan-Fox, C. P. and Empson, J. A.",
volume="28",
number="11",
pages="1509-1521",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0014-0139",
doi="",
url="http://dx.doi.org/"
}