@article{ref1,
title="Comparison of organic and cultural-familial retardates on two visual-motor tasks",
journal="American journal of mental deficiency",
year="1968",
author="Sternlight, M. and Pustel, G. and Siegel, L.",
volume="72",
number="6",
pages="887-889",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9351",
doi="",
url="http://dx.doi.org/"
}