@article{ref1,
title="Project PRIVAL: Evaluation of several ground safety training efforts",
journal="Journal of safety research",
year="1972",
author="Schuster, D. H.",
volume="4",
number="1",
pages="31-40",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0022-4375",
doi="",
url="http://dx.doi.org/"
}