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2
-
Peru : Mythos, Geschichte, Gegenwart / Kurt Pahlen, Dölf Reist.
- 878.9
- Kümmerly & Frey [etc.],
- 1974.
- Bern [etc.] :
-
Impact monitoring & assessment : instruments for use in rural development projects with a focus on sustainable land management / Karl Herweg & Kurt Steiner.
- Centre for development and environment (CDE) [etc.],
- 2002.
- Bern [etc.] :