@article{ref1,
title="Part ii. Theory and technique of statistics",
journal="Annals of the American Academy of Political and Social Science",
year="1891",
author="",
volume="1",
number="3 suppl",
pages="103-219",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0002-7162",
doi="10.1177/000271629100100201",
url="http://dx.doi.org/10.1177/000271629100100201"
}