@article{ref1,
title="Birth order, anxiety, and affiliation during a crisis",
journal="Journal of personality and social psychology",
year="1968",
author="Zucker, Robert A. and Manosevitz, M. and Lanyon, R. I.",
volume="8",
number="4",
pages="354-359",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0022-3514",
doi="",
url="http://dx.doi.org/"
}