@article{ref1,
title="Ballistic pendulums",
journal="Journal (Canadian Society of Forensic Science)",
year="1978",
author="Macwha, James K.",
volume="11",
number="2",
pages="182-184",
abstract="A discussion of precision devices for determination of the striking velocity and force of a bullet.<p />",
language="en",
issn="0008-5030",
doi="10.1080/00085030.1978.10756859",
url="http://dx.doi.org/10.1080/00085030.1978.10756859"
}