TY - CHAP A1 - Liefbroer, A.C. T1 - From youth to adulthood: understanding changing patterns of family formation from a life course perspective Y1 - 1999 A3 - Van Wissen, L.J.G. A3 - Dykstra, P.A. T2 - Population Issues: An Interdisciplinary Focus CY - Den Haag PB - Nederlands Interdisciplinair Demografisch Instituut (NIDI) SP - 53 EP - -85 ER -