@article{ref1,
title="Oil",
journal="Energy policy",
year="1975",
author="",
volume="3",
number="1",
pages="87-88",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0301-4215",
doi="10.1016/0301-4215(75)90068-3",
url="http://dx.doi.org/10.1016/0301-4215(75)90068-3"
}