@article{ref1,
title="Information processing and the modification of an "impulsive conceptual tempo"",
journal="Child development",
year="1971",
author="Heider, E. R.",
volume="42",
number="4",
pages="1276-1281",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0009-3920",
doi="",
url="http://dx.doi.org/"
}