Human ecology.

Overview
Works: 471 works in 96 publications in 96 languages
Titles
瀕危的地球 / by: (Language materials, printed)
Global aspects of the environment /. volume I by: (Language materials, printed)
Global aspects of the environment /. volume II by: (Language materials, printed)
World savannas : = ecology and human use / by: (Language materials, printed)
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Subjects
 
 
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