Wrzus, Cornelia Max Planck Research Group Affect Across the Lifespan, Max Planck Institute for Human Development, Max Planck Society;
http://dx.doi.org/10.1177/0192513X13490931 (Verlagsversion)
Wagner, J., Wrzus, C., Neyer, F., & Lang, F. R. (2015). Social network characteristics of early midlife voluntarily and involuntarily childless couples. Journal of Family Issues, 36(1), 87-110. doi:10.1177/0192513X13490931.