@article{ref1,
title="Comparative effects of judo and selected physical education activities on male university freshman personality traits",
journal="Research quarterly",
year="1970",
author="Pyecha, J.",
volume="41",
number="3",
pages="425-431",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0034-5377",
doi="",
url="http://dx.doi.org/"
}