@article{ref1,
title="Activity of Paricutin Volcano",
journal="Science",
year="1945",
author="",
volume="101",
number="2630",
pages="530-530",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0036-8075",
doi="10.1126/science.101.2630.530",
url="http://dx.doi.org/10.1126/science.101.2630.530"
}