@article{ref1,
title="Synthetic turf and grass: a comparative study",
journal="Journal of sports medicine",
year="1974",
author="Stanitski, C. L. and McMaster, J. H. and Ferguson, R. J.",
volume="2",
number="1",
pages="22-26",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0090-4201",
doi="",
url="http://dx.doi.org/"
}