@article{ref1,
title="A simple chemical method to identify marihuana",
journal="Journal of forensic sciences",
year="1969",
author="Turk, R. F. and Dharir, H. I. and Forney, R. B.",
volume="14",
number="3",
pages="389-392",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0022-1198",
doi="",
url="http://dx.doi.org/"
}