@article{ref1,
title="The first principles of sanitary work",
journal="Journal of the Royal Society for the Promotion of Health",
year="1879",
author="Carpenter, Alfred",
volume="1",
number="1",
pages="41-64",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1466-4240",
doi="10.1177/146642407900100103",
url="http://dx.doi.org/10.1177/146642407900100103"
}