@article{ref1,
title="Technical development of long-firearms from 1200 to 1900",
journal="Waffen und Kostumkunde",
year="2010",
author="Ehlers, Klaus D.",
volume="52",
number="2",
pages="208-209",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0042-9945",
doi="",
url="http://dx.doi.org/"
}