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International mechanisms for the control and responsible use of alien species in aquatic ecosystems

report of an Ad Hoc Expert Consultation, 27-30 August 2003, Xishuangbanna, People's Republic of China

  • Bartley, Devin M.

Terrestrial carbon observation [+]

the Ottawa assessment of requirements, status and next steps, 8-11 February 2000, Ottawa, Canada

  • Cihlar, Josef

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