@article{ref1,
title="Fire alarm systems: state-of-the-art",
journal="Specifying Engineer",
year="1984",
author="Cassidy, V. M.",
volume="51",
number="5",
pages="66-68",
abstract="Abstract unavailable.",
language="",
issn="0164-5242",
doi="",
url="http://dx.doi.org/"
}