TY - JOUR A1 - Kalmijn, M. A1 - Ivanova, K. A1 - van Gaalen, R. A1 - Leeuw, D.G.S. A1 - van Houdt, K. A1 - van Spijker, F. A1 - Hornstra, M. T1 - A multi-actor study of adult children and their parents in complex families: Design and content of the OKiN Survey Y1 - 2018 DO - 10.1093/esr/jcy016 VL - 34 IS - 4 ER -