@article{ref1,
title="Fear of strangers in children and the orienting reaction",
journal="Behavioral science",
year="1972",
author="Zegans, L. S. and Zegans, S.",
volume="17",
number="5",
pages="407-419",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0005-7940",
doi="",
url="http://dx.doi.org/"
}