Mini cement-good technology, poor commerce
Autor: | Almond, Frank |
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Zdroj: | Appropriate Technology; Sep1991, Vol. 18 Issue 2, p13, 0p |
Databáze: | Supplemental Index |
Externí odkaz: |
Autor: | Almond, Frank |
---|---|
Zdroj: | Appropriate Technology; Sep1991, Vol. 18 Issue 2, p13, 0p |
Databáze: | Supplemental Index |
Externí odkaz: |