TY  - BOOK
AU  - 
TI  - Sustainability of land use systems: the potential of indigenous measures for the maintenance of soil productivity in Sub-Sahara Africa Agriculture
SN  - 9783823612193
AV  - S596.7. H11
PY  - 1993///
CY  - Eschborn
PB  - Verlag
KW  -  
KW  - Agriculture research
ER  -