@article{ref1,
title="From early toys to the 3 R's",
journal="Special education",
year="1972",
author="Withers, J.",
volume="61",
number="1",
pages="21-24",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0038-6707",
doi="",
url="http://dx.doi.org/"
}