@article{ref1,
title="Means of improving a tractor driver's working posture",
journal="Ergonomics",
year="1980",
author="Sjoflot, L.",
volume="23",
number="8",
pages="751-761",
abstract="Abstract unavailable.",
language="",
issn="0014-0139",
doi="",
url="http://dx.doi.org/"
}