Appropriate technology /
Gardado en:
| OCLC: | 13880713 |
|---|---|
| Autor Principal: | |
| Autor Corporativo: | |
| Idioma: | English |
| Publicado: |
[S.l. :
s.n.,
1977?]
|
| Subjects: | |
| Formato: | Monograph Microform Note that CRL will digitize material from the collection when copyright allows. |