@article{ref1,
title="Persistence times of populations with large random fluctuations",
journal="Theoretical population biology",
year="1978",
author="Hanson, F. B.",
volume="14",
number="1",
pages="46-61",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0040-5809",
doi="",
url="http://dx.doi.org/"
}