@article{ref1,
title="Feedback factors in steering and tracking behavior",
journal="Journal of applied psychology",
year="1970",
author="Smith, K. U. and Putz, V.",
volume="54",
number="2",
pages="176-183",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-9010",
doi="",
url="http://dx.doi.org/"
}