📁 科学 环境 气候变化
Topics include climate change (or global warming), atmospheric C02, stratospheric ozone, desertification, and change indicators.
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条目 (1+)
Understanding Agricultural Biodiversity - Vol 1 (2003)
https://idl-bnc-idrc.dspacedirect.org/bitstream/handle/10625/35111/118718_v1.pdf