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20. Jahrhundert (1) |
aging (2) |
Alter (2) |
alter Mensch (1) |
Altern (2) |
Bevölkerung (1) |
Demographie (1) |
demography (1) |
development (1) |
elderly (1) |
20. Jahrhundert (1) |
aging (2) |
Alter (2) |
alter Mensch (1) |
Altern (2) |
Bevölkerung (1) |
Demographie (1) |
demography (1) |
development (1) |
elderly (1) |