@article{ref1,
title="Bonding and attachment: theoretical issues",
journal="Seminars in perinatology",
year="1979",
author="Campbell, Susan B. and Taylor, P. M.",
volume="3",
number="1",
pages="3-13",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0146-0005",
doi="",
url="http://dx.doi.org/"
}