J. Huinink, J. Brüderl, B. Nauck, S. Walper, L. Castiglioni, and M. Feldhaus, “Panel Analysis of Intimate Relationships and Family Dynamics (pairfam): Conceptual framework and design: Panel Analysis of Intimate Relationships and Family Dynamics (pairfam): konzeptioneller Rahmen und Forschungsdesign”, JFamRes, vol. 23, no. 1, pp. p. 77–101, Apr. 2011.