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Directory of institutions and individuals active in environmentally sound and appropriate technologies
| 企业作者: | |
|---|---|
| 格式: | Printed Book |
| 语言: | English |
| 出版: |
NewYork
Pergamon press
1979
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| 主题: |
SMS
| 索引号: |
658.05 UNE |
|---|---|
| 复印件 | Live Status Unavailable |