@article{ref1,
title="Some considerations on the relations between the contact-action of insecticides and their true toxicity",
journal="Acta physiologica et pharmacologica Neerlandica",
year="1954",
author="Dresden, D. and Van asperen, K. and Oppenoorth, F. J.",
volume="3",
number="3",
pages="431-433",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-6748",
doi="",
url="http://dx.doi.org/"
}