TY - CHAP A1 - Willekens, F.J. T1 - The Life Course: Models and Analysis Y1 - 1999 DO - 10.1007/978-94-011-4389-9_2 A3 - Wissen, L.J.G. A3 - Dykstra, P.A. T2 - Population Issues: An Interdisciplinary Focus CY - New York PB - Plenum Press SP - 23 EP - -51 ER -