@article{ref1,
title="Training Methods in Volleyball",
journal="Journal of sports traumatology and related research",
year="1990",
author="Velasco, J",
volume="12",
number="2 Suppl 1",
pages="19-21",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1120-3137",
doi="",
url="http://dx.doi.org/"
}