@article{ref1,
title="The differences between American and European psychological thought, with special reference to the selection of flying personnel",
journal="Nederlands Tijdschrift Voor de Psychologie en Haar Grensgebieden",
year="1957",
author="Fokkema, S. D.",
volume="12",
number="3",
pages="205-214",
abstract="<p>[Abstract unavailable]</p><p>Language: nl</p>",
language="nl",
issn="0028-2235",
doi="",
url="http://dx.doi.org/"
}