@article{ref1,
title="The development of interpersonal maturity: applications to delinquency",
journal="Psychiatry interpersonal and biological processes",
year="1957",
author="Sullivan, C. S. and Grant, M. Q. and Grant, Julia D.",
volume="20",
number="4",
pages="373-385",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-2747",
doi="",
url="http://dx.doi.org/"
}