@article{ref1,
title="Internal-external control dimension as related to accident and suicide proneness",
journal="Journal of consulting and clinical psychology",
year="1969",
author="Williams, Collin B. and Nickels, J. B.",
volume="33",
number="4",
pages="485-494",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-006X",
doi="",
url="http://dx.doi.org/"
}