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United Nations world population chart ; 1990
1990 - Rev.
Persistent link: https://www.econbiz.de/10000810524
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United Nations urban agglomeration chart ; 1990
1990
Persistent link: https://www.econbiz.de/10000817945
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World population : 1992
1992
Persistent link: https://www.econbiz.de/10000881157
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Patterns of urban and rural population growth
1980
Persistent link: https://www.econbiz.de/10000048523