Age and sex patterns of mortality model life-tables for under-developed countries.
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| 格式: | 圖書 |
| 語言: | English |
| 出版: |
New York
United nations Dept. of Social Affairs, Population Branch
1955.
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| 叢編: | United Nations. Publications. Sales no.
1955. XIII. 9 |
| 主題: |