@article{ref1,
title="The international safety rating system in South African mining",
journal="Journal of occupational accidents",
year="1989",
author="Eisner, HS and Leger, J. P.",
volume="11",
number="1",
pages="69-69",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0376-6349",
doi="",
url="http://dx.doi.org/"
}