@article{ref1,
title="The physical capacity of children and adolescents within the framework of sports training",
journal="Klinische padiatrie",
year="1983",
author="Rutenfranz, J.",
volume="195",
number="1",
pages="4-8",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0300-8630",
doi="10.1055/s-2008-1034031",
url="http://dx.doi.org/10.1055/s-2008-1034031"
}