TY  - CHAP
A1  - Sobotka, T.
T1  - Does persistent low fertility threaten the future of European populations
Y1  - 2008
A3  - Surkyn, J.
A3  - Deboosere, P.
A3  - Van Bavel, J. 
T2  - Demographic challenges for the 21st century: A state of the art in demography
CY  - Brussels
PB  - VUB Press Brussels University Press

ER  -