@article{ref1,
title="A mains earth leakage tester for use by non-engineering staff",
journal="Journal of medical engineering and technology",
year="1977",
author="O'Connell, J. P.",
volume="1",
number="5",
pages="285-287",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0309-1902",
doi="",
url="http://dx.doi.org/"
}