@article{ref1,
title="Comparison of expressed self-concepts of highly skilled males and females concerning motor performance",
journal="Perceptual and motor skills",
year="1963",
author="Clifton, M. A. and Smith, H. M.",
volume="16",
number="1",
pages="199-201",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0031-5125",
doi="10.2466/pms.1963.16.1.199",
url="http://dx.doi.org/10.2466/pms.1963.16.1.199"
}