@article{ref1,
title="An electron-tube rifling depth micrometer. for the measurement of individual depth of groove impressions of fired bullets",
journal="Journal of criminal law and criminology (1931-1951)",
year="1937",
author="Wilson, C. M.",
volume="27",
number="6",
pages="887-894",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0885-2731",
doi="10.2307/1137536",
url="http://dx.doi.org/10.2307/1137536"
}