@article{ref1,
title="Intelligence of Unmarried Mothers, II",
journal="Psychol Clin",
year="1931",
author="McClure, W. E.",
volume="20",
number="5",
pages="154-157",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}