TY - CHAP A1 - De Beer, J. A1 - Van der Gaag, N. A1 - Willekens, F. T1 - A tool for projecting age patterns based on a standard age schedule and assumptions about relative risks using linear splines: TOPALS Y1 - 2007 T2 - Eurostat, Work session on demographic projections; Bucharest, 10-12 October 2007. Methodologies and working papers; 2007 edition SP - 211 EP - -235 ER -