@article{ref1,
title="Plastic pipe in sprinkler systems",
journal="Specifying Engineer",
year="1979",
author="Beitel, J. J. and Pish, M. D.",
volume="41",
number="5",
pages="89-89",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0164-5242",
doi="",
url="http://dx.doi.org/"
}