@article{ref1,
title="The mechanism of lightning",
journal="Scientific American",
year="1949",
author="Loeb, L. B.",
volume="180",
number="2",
pages="22-27",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0036-8733",
doi="",
url="http://dx.doi.org/"
}