@article{ref1,
title="The influences of birth order, family size and sex differences on risk-taking behaviour",
journal="British journal of social and clinical psychology",
year="1969",
author="Jamieson, B. D.",
volume="8",
number="1",
pages="1-8",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1293",
doi="",
url="http://dx.doi.org/"
}