@article{ref1,
title="Motivation and personality in mountaineering",
journal="Psychiatria Polska",
year="1969",
author="Ryn, Z.",
volume="3",
number="4",
pages="457-462",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0033-2674",
doi="",
url="http://dx.doi.org/"
}