@article{ref1,
title="Academic, psycho-social, and motor characteristics of participants and nonparticipants in children's sport",
journal="Research quarterly",
year="1979",
author="Magill, R. A. and Ash, M. J.",
volume="50",
number="2",
pages="230-240",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0034-5377",
doi="",
url="http://dx.doi.org/"
}