@article{ref1,
title="On the dust and bacterial load in a semi-confined environment (a system of underground pedestrian passages)",
journal="Nuovi Annali D'igiene e Microbiologia",
year="1968",
author="Mammarella, L. and Muzzi, A. and Tarsitani, F.",
volume="19",
number="6",
pages="Suppl:557-75",
abstract="<p>[Abstract unavailable]</p><p>Language: it</p>",
language="it",
issn="0029-6287",
doi="",
url="http://dx.doi.org/"
}