@article{ref1,
title="Basic principles of industrial sanitation",
journal="American journal of public health",
year="1940",
author="Dallavalle, JM",
volume="30",
number="4",
pages="369-384",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}