@article{ref1,
title="Concerning a Form of Degeneracy. I. The Condition and Increase of the Feeble-Minded",
journal="American journal of sociology",
year="1898",
author="Johnson, Allen",
volume="4",
number="3",
pages="326-334",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0002-9602",
doi="10.1086/210803",
url="http://dx.doi.org/10.1086/210803"
}