Demography
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Cambrideg [Eng.]
Published for the Institute of Actuaries and the Faculty of Actuaries at the University Press
1950.
|
| Edizioa: | 2nd ed. |
| Gaiak: |