@article{ref1,
title=""Normalization" and related concepts: words and ambiguities",
journal="Child welfare",
year="1977",
author="Lippman, L.",
volume="56",
number="5",
pages="301-310",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0009-4021",
doi="",
url="http://dx.doi.org/"
}