@article{ref1,
title="A Comparative Study of Delinquent and Non-Delinquent Adolescents",
journal="Journal of educational research",
year="1949",
author="Birkeness, Valborg and Johnson, Harry C.",
volume="42",
number="",
pages="561-572",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0022-0671",
doi="",
url="http://dx.doi.org/"
}