@article{ref1,
title="Reasoning Ability in Young Children",
journal="Journal of psychology, The",
year="1941",
author="Long, Louis and Welch, Livingston",
volume="12",
number="1",
pages="21-44",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0022-3980",
doi="10.1080/00223980.1941.9917052",
url="http://dx.doi.org/10.1080/00223980.1941.9917052"
}