@article{ref1,
title="Volcanic-ash sensor to take flight",
journal="Nature",
year="2013",
author="Witze, Alexandra",
volume="502",
number="7472",
pages="422-423",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0028-0836",
doi="10.1038/502422a",
url="http://dx.doi.org/10.1038/502422a"
}