| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Demographic Causes and Economic Consequences of Population Aging | 978-92-1-100372-7 (92-1-100372-5) | 1992 |
| Social Aspects and Country Reviews of Population Aging: Europe and North America | 978-92-1-100687-2 (92-1-100687-2) | 1994 |