 | Disaster and the Environment - 1st edition (Department of Humanitarian Affairs/United Nations Disaster Relief Office - Disaster Management Training Programme - United Nations Development Programme , 1993, 60 p.) |
 |  | PART 1. The earth as a system |
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| Disaster and the Environment - 1st edition (Department of Humanitarian Affairs/United Nations Disaster Relief Office - Disaster Management Training Programme - United Nations Development Programme , 1993, 60 p.) |
| | PART 1. The earth as a system |
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