@article{ref1,
title="Possibilities to control the observation of legislative rules concerning poisons, herbicides, and pesticides in socialistic agriculture",
journal="Pharmazeutische Praxis",
year="1972",
author="Höbold, E. and Sittig, E.",
volume="12",
number="",
pages="266-268",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0048-3656",
doi="",
url="http://dx.doi.org/"
}