@article{ref1,
title="Major chemical disasters",
journal="British medical journal: BMJ",
year="1991",
author="Harrison, M. and Aw, T. C. and Krishnan, G. and Jones, A. F. and Vale, J. A.",
volume="302",
number="6777",
pages="657-657",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}