@article{ref1,
title="The fundamental problem of practical statistics",
journal="Biometrika",
year="1920",
author="Pearson, Karl",
volume="13",
number="1",
pages="1-16",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0006-3444",
doi="10.1093/biomet/13.1.1",
url="http://dx.doi.org/10.1093/biomet/13.1.1"
}