TY - JOUR A1 - Tomassini, C. A1 - Kalogirou, S. A1 - Grundy, E. A1 - Fokkema, T. A1 - Martikainen, P. A1 - Broese van Groenou, M. A1 - Karisto, A. T1 - Contacts between elderly parents and their children in four European countries: Current patterns and future prospects Y1 - 2004 DO - 10.1007/s10433-004-0003-4 JF - European Journal of Ageing VL - 1 IS - 1 SP - 54 EP - -63 ER -