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Root interactions and evaluation of agroforestry and intercropping systems in Benin, West Africa / Sigmund Johannes Lose.
- Margraf,
- cop. 2003.
- Weikersheim :
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The cultivated plants of the tropics and subtropics : cultivation, economic value, utilization / Sigmund Rehm, Gustav Espig ; [transl. by George McNamara...et al.].
- Margraf,
- 1991.
- Weikersheim :