@article{ref1,
title="Experimental study of the relationship between rigidity and task performance under threat",
journal="Nederlands Tijdschrift Voor de Psychologie en Haar Grensgebieden",
year="1969",
author="Defares, P. B. and Bröring, J. A. and Tuender-de Haan, H. and Rabbie, J.",
volume="24",
number="5",
pages="280-294",
abstract="<p>[Abstract unavailable]</p><p>Language: nl</p>",
language="nl",
issn="0028-2235",
doi="",
url="http://dx.doi.org/"
}