@article{ref1,
title="The father's role in the family system",
journal="Seminars in perinatology",
year="1979",
author="Parke, R. D. and Power, T. G. and Tinsley, B. R. and Hymel, S.",
volume="3",
number="1",
pages="25-34",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0146-0005",
doi="",
url="http://dx.doi.org/"
}