@article{ref1,
title="Some effects of incentives on the behaviour of adolescent retardates",
journal="American journal of mental deficiency",
year="1967",
author="Teasdale, R. and Joynt, D.",
volume="71",
number="6",
pages="925-930",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9351",
doi="",
url="http://dx.doi.org/"
}