@article{ref1,
title="Adolescence and sport",
journal="Praxis (Hallwag)",
year="1958",
author="Schonholzer, G.",
volume="47",
number="39",
pages="917-918",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0369-8394",
doi="",
url="http://dx.doi.org/"
}