http://dx.doi.org/10.1177/0192513X07303895 (Publisher version)
Wenger, G. C., Dykstra, P. A., Melkas, T., & Knipscheer, K. C. P. M. (2007). Social embeddedness and late-life parenthood: Community activity, close ties, and support networks. Journal of Family Issues, 28(11), 1419-1456.