@article{ref1,
title="Development of processing speed in childhood and adolescence",
journal="Advances in child development and behavior",
year="1991",
author="Kail, R.",
volume="23",
number="",
pages="151-185",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0065-2407",
doi="",
url="http://dx.doi.org/"
}