@article{ref1,
title="Effects of competition, success/failure, and sex on intrinsic motivation",
journal="Research quarterly",
year="1979",
author="Weinberg, R. S. and Ragan, J.",
volume="50",
number="3",
pages="503-510",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0034-5377",
doi="",
url="http://dx.doi.org/"
}