TY - JOUR A1 - van Houdt, K. A1 - Kalmijn, M. A1 - Ivanova, K. T1 - Family complexity and adult children’s obligations: The role of divorce and co-residential history in norms to support parents and step-parents Y1 - 2018 DO - 10.1093/esr/jcy007 VL - 34 IS - 2 ER -