@article{ref1,
title="Play in child analysis",
journal="Psychoanalytic study of the child, The",
year="1974",
author="Feigelson, C. I.",
volume="29",
number="",
pages="21-26",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0079-7308",
doi="",
url="http://dx.doi.org/"
}