@article{ref1,
title="Effects of Geographic Conditions Upon Social Realities",
journal="American journal of sociology",
year="1914",
author="Hayes, Edward C.",
volume="19",
number="6",
pages="813-824",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0002-9602",
doi="10.1086/212339",
url="http://dx.doi.org/10.1086/212339"
}