@article{ref1,
title="Social and economic change and health engineering",
journal="Public health reports (1896)",
year="1954",
author="Hilleboe, Herman E.",
volume="69",
number="7",
pages="634-638",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0094-6214",
doi="10.2307/4588852",
url="http://dx.doi.org/10.2307/4588852"
}