@article{ref1,
title="Safety valves, in specific those with high deviation",
journal="Zeitschrift des Vereines Deutscher Ingenieure",
year="1905",
author="Rosenkranz, P. H.",
volume="49",
number="",
pages="359-362",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="",
issn="0341-7255",
doi="",
url="http://dx.doi.org/"
}