@article{ref1,
title="Installed fire protection: alarm systems",
journal="Occupational health and safety",
year="2003",
author="Schroll, R. Craig",
volume="72",
number="2",
pages="52-53",
abstract="Abstract unavailable.",
language="",
issn="0362-4064",
doi="",
url="http://dx.doi.org/"
}