@article{ref1,
title="Studies of group tensions. III. The effect of parental discouragement of play activities upon the attitudes of white children toward Negroes",
journal="Child development",
year="1952",
author="Bird, C. and Monachesi, E. D. and Burdick, H.",
volume="23",
number="4",
pages="295-306",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0009-3920",
doi="",
url="http://dx.doi.org/"
}