@article{ref1,
title="Identification of the physical and chemical characteristics of volcanic hazards",
journal="American journal of public health",
year="1986",
author="Olsen, K. B. and Fruchter, J. S.",
volume="76",
number="3 Suppl",
pages="45-52",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}