タイトル | Year | 版 | Band |
---|---|---|---|
The changing sex differential in mortality / Robert D. Retherford | 1975 | 1 | |
Teenage marriages : a demographic analysis / John R. Weeks | 1976 | 2 |
タイトル | Year | 版 | Band |
---|---|---|---|
The changing sex differential in mortality / Robert D. Retherford | 1975 | 1 | |
Teenage marriages : a demographic analysis / John R. Weeks | 1976 | 2 |