@article{ref1,
title="Manual application of impulses while tractionless",
journal="Human factors",
year="1961",
author="Dzendolet, E",
volume="2",
number="",
pages="221-227",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}