@article{ref1,
title="Optical and mechanical devices for testing susceptibility to motion sickness",
journal="Perceptual and motor skills",
year="1957",
author="Kottenhoff, H. and Lindahl, L. E. H. and Mable, S. E. R.",
volume="7",
number="2",
pages="221-222",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0031-5125",
doi="10.2466/pms.1957.7.h.221",
url="http://dx.doi.org/10.2466/pms.1957.7.h.221"
}