@article{ref1,
title="Sampling, Experimental Control, and Generalizability in the Study of Marital Process Models",
journal="Journal of marriage and family",
year="2007",
author="Coan, James A. and Gottman, John M.",
volume="69",
number="1",
pages="73-80",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0022-2445",
doi="10.1111/j.1741-3737.2006.00344.x",
url="http://dx.doi.org/10.1111/j.1741-3737.2006.00344.x"
}