@article{ref1,
title="Unacceptable impulses, anxiety and the appreciation of cartoons",
journal="Journal of projective techniques and personality assessment",
year="1969",
author="Spiegel, David and Brodkin, S. G. and Keith-Spiegel, Patricia",
volume="33",
number="2",
pages="154-159",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0091-651X",
doi="",
url="http://dx.doi.org/"
}