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Evaluation of potential indicators for soil quality in savanna soils in northern Ghana (West Africa) / Wolf-Dietrich Fugger.
- Author,
- 1999.
- [S.l.] :
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A future for the mountains : a policy-oriented synthesis of three recent dissertations on the Mandara mountains, North Cameroon / Wouter T. de Groot ; in coop. with François Tchala Abina...[et al.].
- Netherlands-Israel development research program (NIRP),
- 1999.
- [S.l.] :