TY  - CHAP
A1  - Bengtsson, T.
T1  - Introduction
Y1  - 2010
DO  - 10.1007/978-3-642-12612-3_1
A3  - Bengtsson, T.
T2  - Population ageing - A threat to the welfare state?
CY  - Berlin, Heidelberg
PB  - Springer

ER  -