@article{ref1,
title="The juvenile delinquent in Colombia",
journal="Epheta; Revista de Enfermería y Acción Social",
year="1969",
author="Roldán, M.",
volume="8",
number="29",
pages="17-29",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0071-0970",
doi="",
url="http://dx.doi.org/"
}