@article{ref1,
title="Economic impact of mass production of alternative low emission automotive power systems",
journal="Journal of the Air Pollution Control Association",
year="1974",
author="Ayres, Robert U. and Noble, S. B.",
volume="24",
number="3",
pages="216-224",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-2470",
doi="",
url="http://dx.doi.org/"
}