@article{ref1,
title="The Thermal Expansion of Portland Cement Paste, Mortar and Concrete at High Temperatures",
journal="Fire and materials",
year="1980",
author="Cruz, CR and Gillen, M.",
volume="4",
number="2",
pages="66-70",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0308-0501",
doi="",
url="http://dx.doi.org/"
}