@article{ref1,
title="The Assembly and Design of Rapid Closure Weapon Mechanisms",
journal="Zeitschrift des Vereines Deutscher Ingenieure",
year="1942",
author="Jahnke, W.",
volume="86",
number="",
pages="331-335",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0341-7255",
doi="",
url="http://dx.doi.org/"
}