@article{ref1,
title="Improving time-sharing performance of pilots through training",
journal="Human factors",
year="1968",
author="Gabriel, R. F. and Burrows, A. A.",
volume="10",
number="1",
pages="33-40",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}