@article{ref1,
title="Trace analysis of explosives as pi complexes",
journal="Journal of forensic sciences",
year="1968",
author="Parihar, D. B. and Sharma, S. P. and Verma, K. K.",
volume="13",
number="2",
pages="246-252",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1198",
doi="",
url="http://dx.doi.org/"
}