@article{ref1,
title="Experimental study of performance characteristics in a zero potential energy manual task",
journal="Aerospace medicine",
year="1967",
author="Streimer, I. and Turner, D. P. and Volkmer, K.",
volume="38",
number="8",
pages="804-807",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-9402",
doi="",
url="http://dx.doi.org/"
}