@article{Yabiku2009,
author = {Yabiku, S.T. and Gager, C.T.},
title= {Sexual Frequency and the Stability of Marital and Cohabiting Unions},
year = {2009},
doi = {10.1111/j.1741-3737.2009.00648.x},
journal = {Journal of Marriage and Family},
volume = {71},
number = {4},
pages = {983--1000},
}