@article{ref1,
title="The marriage of human factors and safety in industry",
journal="Human factors",
year="1973",
author="Botzum, G. D. and Lucas, R. L. and Yoder, T. A.",
volume="15",
number="3",
pages="197-205",
abstract="Abstract unavailable.",
language="",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}