@article{ref1,
title="Correlation of general aviation accidents with the biorhythm theory",
journal="Human factors",
year="1977",
author="Yanowitch, R. E. and Burgin, R. E. and McMeekin, R. R. and Wolcott, J. H.",
volume="19",
number="3",
pages="283-293",
abstract="Abstract unavailable.",
language="",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}