TY  - CHAP
A1  - Goldstein, J.R. 
T1  - How population age
Y1  - 2009
DO  - 10.1007/978-1-4020-8356-3_1
A3  - Uhlenberg, P. 
T2  - International Handbook of Population Aging
CY  - New York
PB  - Springer
SP  - 7
EP  - -18

ER  -