@article{ref1,
title="XL. Explosion-proof electrical equipment",
journal="Journal of chemical education",
year="1967",
author="Ehrenkranz, T. E.",
volume="44",
number="7",
pages="A601 passim-A601 passim",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-9584",
doi="",
url="http://dx.doi.org/"
}