@article{ref1,
title="Factors affecting production by the retarded: base rate",
journal="Mental retardation",
year="1973",
author="Gold, M. W.",
volume="11",
number="6",
pages="41-45",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0047-6765",
doi="",
url="http://dx.doi.org/"
}