@article{ref1,
title="Air pollution hazards from diesel locomotive traffic in a railway tunnel",
journal="AMA archives of industrial health",
year="1959",
author="Katz, M. and Rennie, R. P. and Jegier, Z.",
volume="20",
number="",
pages="493-504",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0567-3933",
doi="",
url="http://dx.doi.org/"
}