@article{ref1,
title="Verbal mediation in moderately retarded children: effects of successive mediational experiences",
journal="American journal of mental deficiency",
year="1972",
author="Borkowski, J. G. and Kamfonik, A.",
volume="77",
number="2",
pages="157-162",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9351",
doi="",
url="http://dx.doi.org/"
}