@article{ref1,
title="Odorization of gases. Problems solved and to be solved",
journal="Rassegna di medicina industriale e di igiene del Lavoro",
year="1964",
author="Sales, M. and Borelli, F.",
volume="33",
number="",
pages="309-324",
abstract="<p>[Abstract unavailable]</p><p>Language: it</p>",
language="it",
issn="0370-6249",
doi="",
url="http://dx.doi.org/"
}