@article{ref1,
title="Major chemical disasters",
journal="British medical journal: BMJ",
year="1991",
author="Baxter, P. J.",
volume="302",
number="6768",
pages="61-62",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}