@article{ref1,
title="On lightning",
journal="British medical journal: BMJ",
year="1991",
author="Smith, T.",
volume="303",
number="6817",
pages="1563-1563",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}