@article{ref1,
title="An investigation of the accuracy of ratings of a gross motor skill",
journal="Research quarterly",
year="1972",
author="Osborne, M. M. and Gordon, M. E.",
volume="43",
number="1",
pages="55-61",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0034-5377",
doi="",
url="http://dx.doi.org/"
}