TY  - BOOK
AU  - Lettenstrom G S
TI  - Fertility of marriage cohorts 1965-1972: an analysis based on register data
U1  - 000SC:301.321=398 
PY  - 1976///
CY  - Oslo
PB  - Norway. Central Bureau of Statistics
KW  - Fertility
KW  - Marriage cohorts
N1  - Norway. Central Bureau of Statistics ; no.82
ER  -