@article{ref1,
title="Perceptual narrowing during simulated pressure-chamber exposure",
journal="Human factors",
year="1971",
author="Weltman, G. and Smith, J. E. and Egstrom, G. H.",
volume="13",
number="2",
pages="99-107",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}