@article{ref1,
title="New development of the hauling engine drive and safety devices",
journal="Zeitschrift des Vereines Deutscher Ingenieure",
year="1912",
author="Wallichs, ",
volume="56",
number="1",
pages="599-600",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="",
issn="0341-7255",
doi="",
url="http://dx.doi.org/"
}