@article{ref1,
title="Psychology of amusements",
journal="Il Policlinico. Sezione Pratica",
year="1951",
author="Dragotti, G.",
volume="58",
number="18",
pages="538-540",
abstract="<p>[Abstract unavailable]</p> <p>Language: un</p>",
language="un",
issn="0032-2644",
doi="",
url="http://dx.doi.org/"
}