@article{ref1,
title="The incidence of mental disease in the negro",
journal="Journal of Negro education",
year="1949",
author="Williams, Ernest Y. and Carmichael, Claude P.",
volume="18",
number="3",
pages="276-282",
abstract="KEYWORDS: Suicide<p />",
language="en",
issn="0022-2984",
doi="10.2307/2966133",
url="http://dx.doi.org/10.2307/2966133"
}