@article{ref1,
title="Disasters and natural catastrophes",
journal="WHO chronicle",
year="1979",
author="",
volume="33",
number="11",
pages="415-416",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0042-9694",
doi="",
url="http://dx.doi.org/"
}