@article{ref1,
title="The threshold for hypoxia effects on perceptual-motor performance",
journal="Human factors",
year="1987",
author="Porlier, G. and Kelso, B. and Elcombe, D. D. and Fowler, Bess",
volume="29",
number="1",
pages="61-66",
abstract="Abstract unavailable.",
language="",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}