@article{ref1,
title="Psychological distance in the family as schematized by families of normal, disturbed, and learning-problem children",
journal="Journal of consulting and clinical psychology",
year="1973",
author="Gerber, G. L.",
volume="40",
number="1",
pages="139-147",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-006X",
doi="",
url="http://dx.doi.org/"
}