@article{ref1,
title="Letter: Hazard of petrol shortage",
journal="British medical journal: BMJ",
year="1973",
author="Robinson, B. L.",
volume="4",
number="5892",
pages="614-614",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}