@article{ref1,
title="Impurities in illegal amphetamine. 6. Identification of phenylpropanol-2, amphetamine and N,Nl-dimethylamphetamine in methamphatamine",
journal="Archiv für Kriminologie",
year="1978",
author="van der Ark, A. M. and Theeuwen, A. B. and Verweij, A. M.",
volume="162",
number="5-6",
pages="171-175",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0003-9225",
doi="",
url="http://dx.doi.org/"
}