@article{ref1,
title="A numerical definition of posture",
journal="Human factors",
year="1974",
author="Priel, V. Z.",
volume="16",
number="6",
pages="576-584",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}