@article{ref1,
title="Aggression, development of contradiction and dialogic. Fundamental and cultural history aspects",
journal="Series Paedopsychiatrica",
year="1985",
author="Herzka, H. S.",
volume="",
number="6",
pages="87-88",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0080-9012",
doi="",
url="http://dx.doi.org/"
}