@article{ref1,
title="The end of an ice age. Ice harvesting as an occupation",
journal="Archives of environmental health",
year="1969",
author="Walker, B.",
volume="19",
number="1",
pages="144-148",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-9896",
doi="",
url="http://dx.doi.org/"
}