@article{ref1,
title="A contribution to the kinesiology of walking and swimming; space orientation in conditions of increasing difficulty",
journal="Acta chirurgiae orthopaedicae et traumatologiae Cechoslovaca",
year="1961",
author="Mayer, K.",
volume="28",
number="",
pages="261-267",
abstract="<p>[Abstract unavailable]</p> <p>Language: cs</p>",
language="cs",
issn="0001-5415",
doi="",
url="http://dx.doi.org/"
}