@article{ref1,
title="Perceptual narrowing in novice divers",
journal="Human factors",
year="1966",
author="Egstrom, G. H. and Weltman, G.",
volume="8",
number="6",
pages="499-506",
abstract="Abstract unavailable.",
language="",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}