TY  - JOUR
A1  - Nisén, J.
A1  - Martikainen, P.
A1  - Kaprio, J.
A1  - Silventoinen, K.
T1  - Educational differences in completed fertility: A behavioral genetic study of Finnish male and female twins
Y1  - 2013
DO  - 10.1007/s13524-012-0186-9
JF  - Demography
VL  - 50
IS  - 4

ER  -