共 50 条
- [1] Fertility and Reproduction. Methods of measuring the balance of births and deaths PETERMANNS MITTEILUNGEN, 1934, 80 (01): : 32 - 33
- [4] Fertility and Reproduction: Methods of Measuring the Balance of Births and Deaths AMERICAN ECONOMIC REVIEW, 1933, 23 (01): : 165 - 166
- [7] The Balance of Births and Deaths AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH, 1929, 19 (07): : 836 - 837