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Environmental impact of sand mining : A case study in the river catchments of Vembanad lake, Southwest India
| Главный автор: | |
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| Формат: | Ph.D Thesis |
| Язык: | English |
| Опубликовано: |
Thiruvananthapuram
Centre for Earth Science Studies
December 2008
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| Недоступно описание. |