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Directory of institutions and individuals active in environmentally sound and appropriate technologies
| Institution som forfatter: | |
|---|---|
| Format: | Printed Book |
| Sprog: | English |
| Udgivet: |
NewYork
Pergamon press
1979
|
| Fag: |
| Fysisk beskrivelse: | xvii, 152p. |
|---|---|
| ISBN: | 0080256589 |