TY  - BOOK
AU  - Hoem J M
AU  - Berge Erling
AU  - Holmbeck Britta
TI  - Four papers on the analytic graduation of fertility curves
U1  - 000SB:304.632 
PY  - 1976///
CY  - Oslo
PB  - Norway. C B S
KW  - Human fertility
KW  - Mathematical models
ER  -