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Environmental problems and solutions : greenhouse effect, acid rain, pollution /
| 其他作者: | |
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| 格式: | Printed Book |
| 出版: |
New York :
Hemisphere Pub. Corp.,
c1990.
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| 主題: | |
| 在線閱讀: | http://www.loc.gov/catdir/enhancements/fy0714/89019786-d.html |