@article{ref1,
title="A cross-cultural comparison of patterns of extraversion and anxiety",
journal="British journal of psychology (1953)",
year="1961",
author="Cattell, R. B. and Warburton, F. W.",
volume="52",
number="",
pages="3-15",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1269",
doi="",
url="http://dx.doi.org/"
}