@article{ref1,
title="Road Resistance and Performance Demand of Land Travelling Vehicles",
journal="Zeitschrift des Vereines Deutscher Ingenieure",
year="1938",
author="Kuhner, K",
volume="82",
number="",
pages="177-187",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0341-7255",
doi="",
url="http://dx.doi.org/"
}