@article{ref1,
title="Affectional and aggressive behavior of preschool children",
journal="Child development",
year="1957",
author="Walters, J. and Pearce, D. and Dahms, L.",
volume="28",
number="1",
pages="15-26",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0009-3920",
doi="",
url="http://dx.doi.org/"
}