@article{ref1,
title="Analysis of explosives and explosive residues. Part 1: chemical tests",
journal="Journal of forensic sciences",
year="1975",
author="Parker, R. G. F. and Stephenson, M. O. and McOwen, J. M. and Cherolis, J. A.",
volume="20",
number="1",
pages="133-140",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0022-1198",
doi="",
url="http://dx.doi.org/"
}