@article{ref1,
title="Bar coding ensures timely fire system maintenance",
journal="Health facilities management",
year="1993",
author="Holland, R. F.",
volume="6",
number="5",
pages="40-42",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0899-6210",
doi="",
url="http://dx.doi.org/"
}