@article{ref1,
title="The Brakes of Crane Installations, Under the Point of View of Accident Prevention",
journal="Zeitschrift des Vereines Deutscher Ingenieure",
year="1938",
author="Lammers-Schuh, O",
volume="82",
number="",
pages="268-275",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0341-7255",
doi="",
url="http://dx.doi.org/"
}