Age and sex patterns of mortality model life-tables for under-developed countries.
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York
United Nations, Dept. of Social Affairs, Population Branch
1955.
|
| Cyfres: | Its population studies
no. 22 |
| Pynciau: |