@article{ref1,
title="1971 Yant Memorial Lecture. Mining: problems and progress in industrial hygiene",
journal="American Industrial Hygiene Association journal",
year="1974",
author="Walton, W. H.",
volume="35",
number="1",
pages="1-12",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-8894",
doi="",
url="http://dx.doi.org/"
}