@article{ref1,
title="Lumbar disc pressure and myoelectric back muscle activity during sitting. iv. studies on a car driver's seat",
journal="Scandinavian journal of rehabilitation medicine",
year="1974",
author="Andersson, B. J. and Ortengren, R. and Nachemson, A. and Elfstrom, G.",
volume="6",
number="3",
pages="128-133",
abstract="Abstract unavailable.",
language="",
issn="0036-5505",
doi="",
url="http://dx.doi.org/"
}