@article{ref1,
title="Heart rate during swimming and diving in children from 3 to 10 years (author's transl)",
journal="Zeitschrift für Kinderheilkunde",
year="1974",
author="Becker, T. and Mocellin, R.",
volume="118",
number="1",
pages="25-44",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-2917",
doi="",
url="http://dx.doi.org/"
}