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Book List
2
-
Earth construction : a comprehensive guide / Hugo Houben and Hubert Guillaud.
- Intermediate Technology,
- 1994.
- London :
-
Let farmers judge : experiences in assessing the sustainability of agriculture / ed. by Wim Hiemstra, Coen Reijntjes and Erik van der Werf.
- Intermediate Technology,
- 1992.
- London :