@article{ref1,
title="Skiing accidents and their prevention",
journal="IMJ Illinois medical journal",
year="1963",
author="Kowalski, J. M.",
volume="123",
number="",
pages="56-57",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0019-2120",
doi="",
url="http://dx.doi.org/"
}