@article{ref1,
title="Bullet identification by non-striated land and groove marks of abnormally undersized barrels",
journal="American educational research journal",
year="1974",
author="Sinha, J. K. and Mehrotra, V. K. and Kumar, L. A.",
volume="4",
number="1",
pages="43-45",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-8312",
doi="",
url="http://dx.doi.org/"
}