Appropriate technology /
Enregistré dans:
| OCLC: | 13880713 |
|---|---|
| Auteur principal: | |
| Collectivité auteur: | |
| Langue: | English |
| Publié: |
[S.l. :
s.n.,
1977?]
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| Sujets: | |
| Format: | Monograph Microform Note that CRL will digitize material from the collection when copyright allows. |