@article{ref1,
title="Poisonous substances of Amanita verna",
journal="Naturwissenschaften",
year="1966",
author="Wieland, T. and Schiefer, H. and Gebert, U.",
volume="53",
number="2",
pages="39-40",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0028-1042",
doi="",
url="http://dx.doi.org/"
}