@article{ref1,
title="Age and perceptual-motor transfer in imbeciles: task complexity as a variable",
journal="British journal of psychology (1953)",
year="1966",
author="Clarke, A. M. and Cooper, G. M.",
volume="57",
number="1",
pages="113-119",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1269",
doi="",
url="http://dx.doi.org/"
}