@article{ref1,
title="Analysis of human response in combined control tasks. NASA TN D-4356",
journal="Technical Note, United States, National Aeronautics and Space Administration",
year="1968",
author="Bergeron, H. P. and Adams, J. J. and Hurt, G. J. Jr",
volume="ePub",
number="ePub",
pages="1-53",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}