@article{ref1,
title="Age related characteristic values in the assessment of endurance limits during local dynamic muscle work",
journal="Zeitschrift fur die Gesamte Hygiene und Ihre Grenzgebiete",
year="1985",
author="Kobryn, U. and Hoffmann, B. and Ransch, E. and Schöffel, L.",
volume="31",
number="2",
pages="91-92",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0049-8610",
doi="",
url="http://dx.doi.org/"
}