@article{ref1,
title="Sex in Primitive Industry",
journal="American journal of sociology",
year="1899",
author="Thomas, William I.",
volume="4",
number="4",
pages="474-488",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0002-9602",
doi="10.1086/210822",
url="http://dx.doi.org/10.1086/210822"
}