@article{ref1,
title="Measurement of parents' perceptions of their children's development",
journal="Genetic psychology monographs",
year="1971",
author="Wolfensberger, W. and Kurtz, R. A.",
volume="83",
number="1",
pages="3-92",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0016-6677",
doi="",
url="http://dx.doi.org/"
}