@article{ref1,
title="Difficult to place adolescents. Are more resources required?",
journal="Journal of Adolescence",
year="1979",
author="Bruggen, P. and Westland, P.",
volume="2",
number="3",
pages="245-250",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0140-1971",
doi="",
url="http://dx.doi.org/"
}