@article{ref1,
title="Contribution to the knowledge of concentrations of carbon monoxide in road tunnels",
journal="Rassegna di medicina industriale e di igiene del Lavoro",
year="1964",
author="Braja, M. and Trompeo, G.",
volume="33",
number="",
pages="411-413",
abstract="<p>[Abstract unavailable]</p><p>Language: it</p>",
language="it",
issn="0370-6249",
doi="",
url="http://dx.doi.org/"
}