TY  - CHAP
A1  - Coleman, D.A.
T1  - Population ageing: an unavoidable future
Y1  - 2006
A3  - Pierson, C.
A3  - Castles, F.G.
T2  - The Welfare State Reader
CY  - Cambridge
PB  - Polity Press
SP  - 298
EP  - -309

ER  -