@article{ref1,
title="Participant observation in a delinquent subculture",
journal="American journal of orthopsychiatry",
year="1959",
author="Polsky, H. W. and Kohn, M.",
volume="29",
number="",
pages="737-751",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9432",
doi="",
url="http://dx.doi.org/"
}