International sixth, congress of gerontology :
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Excerpta medica foundation,
[1964]
Amsterdam : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/0AF6636A-6643-4488-B064-D5B9DF73EF0E |
| Published: | [1964] |
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